Chapter 27: Maternity and Newborn Medications

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Welcome to the Deep Dive.

Today we're tackling a really crucial area, medications used during maternity and for newborns.

That's right.

Our guide for this in -depth exploration is Chapter 27, Maternity and Newborn Medications, from the Saunders Comprehensive Review for the NCLE -XPN Examination Seventh Edition.

Think of this as your shortcut to understanding the key pharmacology for this vital stage of care.

Exactly.

Our goal is to pull out the most important knowledge, the things that will really make a difference in how you understand and approach these medications.

From those used to manage preterm labor all the way to the essentials for newborn well -being like eye prophylaxis.

And it's so fundamental because these aren't just any medications.

They are central to ensuring the health and safety of both mother and baby throughout pregnancy, labor, delivery, and those critical first days.

Absolutely crucial.

Okay, let's dive right in.

We're starting with tocolytics.

What are they and when do we reach for them?

Okay, so tocolytics are basically medications that work by relaxing the muscles of the uterus.

Yeah,

the main reason we use them is to try and stop preterm labor essentially to

give the baby more time to develop in utero if labor starts too early.

So they're all about hitting pause on early labor.

Makes sense, but what kind of side effects might we see with these?

That's an important consideration definitely because they affect smooth muscle, which isn't just in the uterus, right?

So we can see effects on other systems.

Like what?

For example, you have heart rate and blood pressure.

Those are cardiovascular effects.

And there can sometimes be respiratory issues.

Okay.

We also always need to be vigilant for any signs that the mother or baby might be in distress while tocolytics are being used.

The specific side effects can vary somewhat depending on the particular medication, of course.

And it's not always the right move to use them, is it?

When are tocolytics actually contraindicated?

Absolutely.

There are several situations where using tocolytics could do more harm than good.

For the mother, if she has severe preeclansia or eclansia,

is experiencing significant vaginal bleeding, has an infection inside the uterus, has a preexisting heart condition, or if there's another medical reason why continuing the pregnancy would be unsafe, tocolytics are generally avoided.

And for the baby?

Well, for the baby,

if the pregnancy is already beyond 37 weeks, if the mother's cervix dilated more than four centimeters,

if the baby has died or has a severe anomaly, if there's an active uterine infection, if the baby is in distress, or if the baby's growth has been severely restricted in the womb, tocolytics wouldn't be used.

It sounds like a careful assessment is always needed then.

What are the key nursing actions when someone is receiving a tocolytic?

Careful monitoring is the cornerstone, really.

Yeah.

We want the mother position on her side to help blood flow to the placenta.

Side positioning, got it.

Frequent checks are for vital signs.

The baby's heart rate and activity and the progress of labor are essential.

We're also watching closely for any of those adverse effects we talked about.

Managing the mother's fluid intake and output is important too, and providing emotional support to both her and her family during this potentially stressful time is a key nursing responsibility.

Okay, next up is magnesium sulfate.

This one seems to have a few different roles in maternity care.

That's right.

Magnesium sulfate is a bit of a multitasker.

While it can act as a tocolytic by relaxing the uterine muscle, it's also a central nervous system depressant and an anticonvulsant.

An anticonvulsant too.

Yes.

And a critical thing to remember is that if a patient experiences magnesium toxicity, the antidote is calcium gluconate.

Always have that handy.

Calcium gluconate, right.

So beyond its use in trying to stop preterm labor, when else might we see magnesium sulfate being used?

Its other major application is in managing preeclampsia and eclampsia.

It's used to prevent and control seizures, which are a serious risk in these conditions.

Okay, preeclampsia and eclampsia.

Exactly.

Those conditions characterized by high blood pressure and potential organ damage during pregnancy.

And the potential side effects of magnesium sulfate sound like they require very They absolutely do.

Because it depresses the central nervous system,

we need to monitor closely for signs like a decreased respiratory rate and diminished reflexes.

Decreased respirations and reflexes.

Key signs.

Definitely.

Other things we might see include flushing,

a drop in blood pressure,

muscle weakness, reduced urine output, and even fluid buildup in the lungs pulmonary edema.

Wow.

It can also lead to dangerously high levels of magnesium in the mother's blood.

And if it's given continuously near delivery, there's a risk of the newborn also experiencing some of these effects.

And really high doses.

Very high doses in the mother can lead to a loss of deep tendon reflexes, heart block, and even respiratory or cardiac arrest.

So very serious potential outcomes.

Those are serious.

When would magnesium sulfate be contraindicated then?

It's contraindicated in patients who have heart block, evidence of myocardial damage, or kidney failure.

We also have to be extremely cautious when using it in someone with severe kidney impairment because the kidneys are the primary way the body eliminates the drug.

Right.

Elimination pathway is key.

So the nursing care for someone on magnesium sulfate sounds like it demands a high level of vigilance.

Absolutely.

Constant vigilance.

We need to be checking vital signs very frequently, maybe every 30 to 60 minutes, with a particular focus on the respiratory rate.

Respirations especially.

Yes.

Assessing kidney and heart function, which might include an ECG, is also important.

We'll be monitoring magnesium blood levels with a typical target range of

4 to 7 .5 millirhul.

4 to 7 .5.

Right.

If those levels start creeping up, the doctor needs to know immediately.

Magnesium sulfate is always given through an IV pump, and we have to be meticulous about the dosage and follow hospital protocols precisely.

Pump administration?

Check protocols.

And as we said, calcium gluconate, the antidote, must be immediately accessible, just in case.

Right there.

Ready to go.

We also do hourly checks of deep tendon reflexes.

Specifically, we check the patellar reflex before each parenteral dose.

It has to be present, and the respiratory rate must be above 12 before giving the next dose.

Patellar reflex check and respirations above 12.

Hourly.

An hourly INO tracking urine output aiming for at least 25 to 30 millifrisals per hour.

Any respiratory rate below 12 or any other concerning side effect requires immediate notification of the health care provider.

No delay.

Okay.

Critical checks there.

Let's move on to beta -methasone and dexamethasone.

These seem to be in a different category focused more on helping the baby.

That's correct.

Beta -methasone and dexamethasone are corticosteroids.

Their main use in this context is to help speed up the development of the baby's lungs by increasing the production of surfactant.

Surfactant?

Yes.

Surfactant is that substance that helps the air sacs in the lungs stay open.

It's crucial for breathing after birth, especially for premature babies.

So it helps prevent breathing problems.

Exactly.

By increasing surfactant production, these medications can significantly reduce the risk and severity of respiratory distress syndrome, or RDS, in preterm infants.

So these are giving when there's a risk of early delivery to give the baby's lungs a boost?

Precisely.

They're typically considered for women in preterm labor between, say, 28 and 32 weeks of gestation.

28 to 32 weeks.

Provided that labor can likely be delayed for about 48 hours without posing a risk to the mother or the baby.

That 48 -hour window is important because it gives the corticosteroids enough time to have the maximum benefit on the baby's lungs.

That 48 hours is key.

Are there any potential risks or side effects for the mother with these steroid medications?

Yes.

There are a few things to watch for.

They can slightly increase the mother's risk of infection.

Pulmonary edema that build up a fluid in the lungs is also a possibility due to sodium and fluid retention.

Infection risk and pulmonary edema.

And in mothers who have diabetes,

these medications can cause their blood glucose levels to rise.

So that needs monitoring.

Okay.

Blood sugar checks for diabetics.

And what does the nursing care involve when these corticosteroids are given?

Well, we need to monitor the mother's vital signs, listen to her lungs for any signs of fluid, and check for swelling or edema.

We also need to be aware of any signs of infection and monitor her white blood cell count.

Vitals, lungs, edema, infection signs.

And for mothers with diabetes, as we said, close monitoring of their blood sugar levels is crucial.

These medications are given via a deep intramuscular injection.

Deep IM injection.

Got it.

Now we're going to talk about managing pain during labor with opioid analgesics.

These are widely used, but it sounds like we need to be very aware of their effects on both the mother and the baby.

You're absolutely right.

Opioid analgesics are used to help relieve moderate to severe pain during labor and can be given either by injection into a muscle intramuscularly or directly into a vein intravenously.

IM or IV for pain relief.

Right.

And it's really important to know that if opioids are used regularly during pregnancy, the newborn can experience withdrawal symptoms after birth.

Newborn withdrawal, what does that look like?

These active reflexes, maybe a fever, vomiting, diarrhea,

frequent yawning and sneezing, and in some cases even seizures.

It's quite a list.

Wow, that's significant.

And we have medications to counteract the effects of opioids if needed, right?

The antidote.

Yes, naloxone is the primary antidote for opioid overdose.

It works by quickly reversing the effects of the opioid.

Naloxone.

However, sometimes the effects of naloxone don't last as long as the opioid in the system, so repeat doses might be necessary.

Keep that in mind.

Repeat doses might be needed.

And it's also critical to remember that giving opioids to a mother who is already dependent on them can trigger withdrawal symptoms in her.

So a thorough history is key.

Right.

History is crucial.

The chapter lists several specific opioid medications used during labor.

Let's talk about some of those, starting with meparidine hydrochloride and hydromorphone hydrochloride.

Okay.

These medications can cause a range of side effects in the mother.

Things like dizziness, feeling sick to your stomach,

nausea, vomiting, drowsiness or sedation, low blood pressure, a slower breathing rate, sweating, a flushed face, and difficulty emptying the bladder,

urinary retention.

Common opioid side effects.

Pretty standard, yes.

Yeah.

Sometimes an antihemetic, like promethazine, might be given at the same time to help with the nausea and vomiting.

Now if these drugs are given in high doses, they can lead to more serious problems.

Significant respiratory depression, muscle weakness, cold and clammy skin, a bluish skin, discoloration, cyanosis, and extreme sleepiness that can progress to seizures,

stupor, and even coma.

Serious risks with high doses.

Definitely.

We have to be particularly cautious when using these in mothers who might deliver preterm babies.

Generally, they are avoided in early labor because they might slow down labor progress.

Lows early labor.

And also in advanced labor.

Typically within about an hour of the expected delivery because they could cause breathing problems in the newborn if the medication hasn't had time to clear their system.

Avoid close to delivery.

And actually, meparidine is used less frequently now due to concerns about potential negative effects on the baby's heart rate and an increased risk of seizures in the mother.

Okay, less meparidine use now.

What about fentanyl and sufentanil?

Similar to other opioids, fentanyl and sufentanil can cause breathing difficulties, respiratory depression, dizziness, drowsiness, low blood pressure, and urinary retention.

Standard opioid effects again?

Yes.

And they can also cause what's known as fetal narcosis, which is like a state of decreased responsiveness in the baby and can contribute to fetal distress.

Fetal narcosis.

Okay.

And then we have butorfenol, tartrate, and nalbufen.

Right.

These can cause confusion, sedation, sweating, nausea, vomiting, low blood pressure, and a specific pattern on the fetal heart rate monitor that looks like a sine wave sinusoidal.

Sinusoidal fetal heart rhythm.

Yes.

And a really important point with these two medications, butorfenol and nalbufen, is that they should be used with caution in women who have an existing opioid dependency.

Why is that?

Because they can actually trigger withdrawal symptoms in both the mother and the newborn.

They have mixed agonist antagonist properties.

Ah, triggers withdrawal and dependence.

Good to know.

Given all these potential effects, the nursing care when administering opioid pain medications during labor sounds incredibly important.

It is crucial.

We must continuously monitor the mother's vital signs, paying very close attention to her respiratory rate.

If it drops to 12 breaths per minute or less.

12 or less.

We need to hold the medication and immediately notify the healthcare provider.

Immediately.

Hold and notify.

We also need to closely watch the baby's heart rate and the of uterine contractions.

Monitoring for changes in the mother's blood pressure, especially a drop in pressure hypotension, is crucial.

She should be positioned lying down, often with a pillow or wedge to slightly elevate one hip to help with blood flow.

Monitor FHR contractions, BP, use positioning.

Right.

We need to regularly ask the mother about her pain level and how much relief she's getting.

It's also important to check for bladder distension and any difficulty urinating.

Pain relief assessment, bladder checks.

And as we mentioned earlier, having the opioid antidote, naloxone, readily available is essential, especially if delivery is expected around the time the medication's effects will be at their strongest or peak.

Have naloxone ready.

Finally, we absolutely must get the thorough history of the mother's medication used to identify any risk factors for opioid dependency before giving these drugs.

That history is

Absolutely.

Now let's move on to prostaglandins.

I understand these are used to help get labor started or make it progress.

Cervical ripening.

That's correct.

Prostaglandins, which are typically administered vaginally, play a vital role in what we call cervical ripening.

Ripening the cervix.

Exactly.

This means they help to soften the cervix and cause it to start opening, dilating and thinning a facing.

These are necessary steps for labor to begin.

They also stimulate the uterus to contract.

So when would prostaglandins typically be used?

Their main uses are for pre -induction cervical ripening.

That's done before we start trying to induce labor with another medication, like oxytocin, particularly if the woman's cervix isn't very favorable for labor.

We often gauge this using a bishop score.

If it's four or less, prostaglandins might be considered.

Pre -induction ripening with a low bishop score.

Right.

They're also used for the actual induction of labor itself, and sometimes they're used to induce an abortion.

What are some of the potential side effects and situations where prostaglandins should not be used?

Common side effects can include GI upset,

think diarrhea, nausea, vomiting, stomach cramps.

Women might also experience fever, chills, flushing, headache, and sometimes a drop in blood pressure.

GI upset, fever, BP changes.

A more serious potential effect is something called tachycystally.

Tachycystally.

Yeah.

It's defined as having more than five uterine contractions in a 10 -minute period, average over 30 minutes.

This can sometimes be associated with a non -reassuring fetal heart rate pattern.

More than five contractions in 10 minutes.

Prostaglandins can also cause the uterus to contract too strongly.

That's uterine hyperstimulation and might lead to the baby passing stool, meconium, before birth.

Hyperstimulation, meconium staining.

What about contraindications?

There's a fairly extensive list.

Things like active heart, liver, lung, or kidney disease, an acute pelvic infection if a vaginal delivery isn't recommended for some reason, if the baby's in an abnormal position, if she's had a previous C -section or major uterine surgery, a history of difficult or traumatic labor, a known allergy to prostaglandins.

That's a reason.

If she have a fever or infection concerning fetal heart rate pattern, placenta previa, or unexplained vaginal bleeding, if she's already having regular progressive contractions, or if there's a significant mismatch between the size of the baby's head and the mother's pelvis, cephalopelvic disproportion.

That's a significant list, really emphasizing the need for careful evaluation beforehand.

What kind of nursing care is involved when prostaglandins are administered?

Continuous monitoring is key again.

We need to closely watch the mother's vital signs, the baby's heart rate pattern, and the overall progress of the pregnancy.

Why are we using them?

Are there signs labor is starting?

What's the bishop's score doing?

Monitor mom, baby,

labor progress.

And we also need to monitor for any of those adverse effects we just discussed.

Before giving the medication, the woman should empty her bladder.

Void first?

Yes.

After administration, she'll need to lie on her back with a slight tilt to one side or lie completely on her side for a specific period.

It can be anywhere from 30 to 60 minutes for a gel, up to maybe two hours for a vaginal insert, depending on the specific product used.

Positioning afterwards.

We typically stop the treatment if the bishop's score reaches 8 or more, which indicates the cervix is ripe, or if a good labor pattern is established, meaning three or more contractions are occurring in a 10 -minute period.

Stop if bishop's score 8 were effective contractions.

And of course, if any adverse effects occur, we stop the medication immediately.

If the cervix is ripened but labor hasn't started on its own, we follow hospital protocols for starting oxytocin, usually waiting about 6 to 12 hours after the prostaglandins have been discontinued.

Wait 6 to 12 hours before starting oxytocin if needed.

Okay.

Speaking of oxytocin, let's delve into that.

It's probably one of the best known medications used in labor and delivery.

Absolutely.

Oxytocin, often known by the brand name Piticin, is a uterine stimulant, also called an oxytocic.

It works by stimulating the smooth muscles of the uterus, making the contractions stronger, more frequent, and last longer.

Stronger, more frequent, longer contractions.

Exactly.

It also plays a role in the release of breast milk after delivery of the milk letdown reflex.

For inducing or augmenting labor, it's usually given intravenously.

It can be given IM, but you need to aspirate first to avoid injecting into a blood vessel.

Usually IV for labor.

And it's important to know that you usually don't see significant changes in the cervix from oxytocin until the woman is in the active phase of labor.

Not much effect until active labor.

And what are the main reasons why we would use oxytocin?

The primary reasons are to start labor induction or speed up labor that has stalled augmentation.

Also, to help control bleeding after the baby is deletered by causing the uterus to contract firmly, and sometimes to manage an incomplete abortion.

Induction, augmentation, postpartum bleeding, incomplete abortion.

Got it.

But oxytocin also has a reputation for potential complications if it's not managed very carefully.

What are some of the adverse effects in situations where it shouldn't be used?

That's right.

Careful management is key.

Side effects can include allergic reactions, changes in the mother's heart rhythm, fluctuations in blood pressure.

Allergic reactions, dysrhythmias, BP changes.

A rare but serious complication called uterine rupture, and even water intoxication because oxytocin has a mild anti -diuretic effect.

Uterine rupture, water intoxication.

Wow.

If it's given as a nasal spray, which is less common now, it can cause nasal vasoconstriction.

A major concern, though, is that oxytocin can cause the uterus to contract too strongly, or too frequently,

uterine hypertonicity, or tachycystally, which can stress both the mother and the baby.

Hypertonicity is a big one.

Yes.

High doses can sometimes cause a drop in blood pressure, followed by a rebound increase in blood pressure.

And there's also a risk of increased bleeding after delivery, if the uterus becomes too relaxed or boggy once the oxytocin wears off uterine asne.

Postpartum hemorrhage risk, too.

When is it contraindicated?

Oxytocin should not be used if a vaginal delivery is impossible for any reason, if the woman is already having excessively strong or frequent contractions,

hyperconic contractions, or if she has an active outbreak of genital herpes.

Okay.

Contraindication is noted.

So the nursing responsibilities during oxytocin administration must be incredibly detailed and require constant attention.

They absolutely do.

It's high alert medication.

We need to monitor the mother's vital signs every 15 minutes, paying close attention to her blood pressure and heart rate, also her weight, her fluid intake and output, her level of consciousness, and her lung sounds to watch for that water intoxication risk.

We also need to assess the frequency, duration, and strength of her contractions, as well as how relaxed the uterus is between contractions,

the resting tone again, every 15 minutes.

Contractions Q15 frequency, duration, strength, resting tone.

Continuous monitoring of the baby's heart rate every 15 minutes is also essential.

The doctor needs to be notified immediately if we see any significant non -reassuring changes.

Sometimes an internal fetal scalp electrode is used for more precise monitoring.

Fetal heart rate Q15, notify PHCP of changes.

Internal monitoring, maybe?

Oxytocin is always given through an IV pump and is piggybacked into the main IV fluid line at the port closest to where the IV goes into the patient.

We use a prescribed solution like normal saline, lactated ringers, or DeFiW.

IV pump piggybacked close to site, specific IV solution.

The dosage has to be very carefully controlled according to protocol, and the patient should never, ever be left alone while the oxytocin is infusing.

Oxygen should be readily available and given if prescribed.

Never leave patient unattended oxygen available.

We need to be constantly watching for signs of the uterus contracting too strongly or too frequently, or for any concerning changes in the baby's heart rate.

And critically, we need to know exactly what to do if these occur.

Which brings us to those priority nursing actions if we see hypertonic contractions or a non -reassuring fetal heart rate.

Can you outline those for us?

They sound critical.

Yes, absolutely essential steps.

Memorize these.

The very first thing is to stop the oxytocin infusion immediately.

Turn it off.

Step 1.

Stop oxytocin.

Then, turn the woman onto her side, usually the less side is preferred.

Stay with her, provide reassurance, and ask another nurse to call the healthcare provider.

Don't leave the patient.

Step 2.

Side position.

Step 3.

Stay with client, get help to call PHTP.

Step 4.

Increase the rate of the plain intravenous fluids, the ones that do not contain the oxytocin.

We want to flush the line and hydrate.

Step 4.

Increase plain IV fluids.

Step 5.

Give oxygen at 8 -10 liters per minute via non -rebreather face mask.

Step 5.

Oxygen 8 -10 isomin via mask.

Step 6.

Continue to assess and monitor the mother's vital signs, the baby's heart rate and pattern, and the contractions very closely.

And finally, make sure to carefully document everything that happened, all the actions you took, and how the patient and fetus responded.

Step 6.

Assess, monitor mom and baby.

Document everything.

And the rationale behind all this.

The rationale is twofold.

First, stopping the oxytocin reduces the stimulation of the uterus, hopefully calming down those excessive contractions.

Second, the side positioning, increased fluids, and oxygen are all aimed at increasing the amount of oxygen getting to the baby across the placenta.

Make sense.

Reduce stimulation, increase oxygenation.

Okay.

After the baby is born, some mothers unfortunately experience excessive bleeding or postpartum hemorrhage.

The chapter discusses medications used to manage this.

Let's start with ergot alkaloids, like methyl -ergonavine malate.

Right.

Methyl -ergonavine, often called methergene, is a type of ergot alkaloid that directly stimulates the muscle of the uterus.

It causes it to contract strongly and frequently, leading to a firm, sustained contraction, a titanic contraction.

Firm, sustained contraction.

Yes.

It also causes the blood vessels to narrow vasoconstriction, which includes the coronary arteries.

That's important.

And it's really crucial to remember that ergot alkaloids, like methyl -ergonavine, are only given after the placenta has been delivered, never before.

Only after placental delivery.

Got it.

And what are the main reasons for using methyl -ergonavine?

Its primary uses are to control excessive bleeding after childbirth, postpartum hemorrhage, and after an abortion, particularly when the bleeding is due to the uterus not contracting effectively, a condition called uterine atony, or when it's not shrinking back down as it should, which is poor involution.

Controls bleeding from uterine atony or poor involution.

What are some of the potential side effects, and when should methyl -ergonavine not be used?

Well, it can cause nausea and uterine cramping, which can be quite painful.

More seriously, it can cause a slow heart rate, bradyhordia, irregular heart rhythms, dysrhythmias, and even a heart attack, MI.

And because of that vasoconstriction - Right, the vasoconstriction.

It can cause a significant increase in blood pressure, sometimes severe hypertension.

High doses can lead to severe narrowing of blood vessels in the arms and legs, peripheral vasospasm, chest pain, angina, constricted pupils, meiosis,

confusion, difficulty breathing, seizures, loss of consciousness, and the uterus contracting too forcefully and continuously, uterine tetany.

Nausea, cramping, bradycardia, dysrhythmias, MI, severe hypertension.

Quite a list.

Contraindications.

It's absolutely contraindicated during pregnancy.

Also in women who have significant cardiovascular disease, peripheral vascular disease, or hypertension.

You don't want to give a potent vasoconstrictor to someone who already has high blood pressure or vessel disease.

Makes sense.

No pregnancy, significant CVPVD, or hypertension.

So the nursing care with methylurganavine also requires careful monitoring, especially of blood pressure, right?

Absolutely.

Top priority is BP.

We need to monitor the mother's vital signs frequently, her weight, fluid intake and output, level of consciousness, and lung sounds.

Because of the risk of severely high blood pressure, we need to check her BP very frequently, often before each dose.

If it's significantly elevated, we should hold the medication and notify the doctor immediately.

Monitor vitals, INO, LOC, lungs, hold if BP is high, notify PHCP, check BP before giving.

Exactly.

We also monitor the frequency, strength, and duration of her uterine contractions.

We need to assess for any signs of side effects like chest pain, headache, shortness of breath, itching, pale or cold hands and feet, nausea, vomiting, diarrhea, or dizziness.

Assess for contractions and side effects.

Chest pain, headache, SOB, cold extremities.

Checking the color, warmth, movement, and sensation in her extremities is also important because of that vasospasm risk.

And of course, monitor her vaginal bleeding.

Hopefully it's decreasing.

Any report of chest pain or other concerning side effects should be reported to the health provider immediately.

Pain relievers might be prescribed because this medication can cause painful uterine contractions.

Assess extremities, bleeding, report adverse effects, analgesics for cramping.

Crucial point about checking BP beforehand.

Vital.

Always check the BP first.

Another medication mentioned for postpartum hemorrhage is prostaglandin F2 -alpha or carboprostremethamine, brand name hemabate.

Carboprost also works by causing the uterus to contract.

Its main use is to treat postpartum hemorrhage, often when oxytocin or methyl -arganavine haven't been effective enough or can't be used.

Contracts the uterus for PPH.

Side effects.

Some of the side effects can include headache,

pretty significant nausea, vomiting, and diarrhea GI upset is common.

Also fever, a rapid heart rate, tachycardia, and increased blood pressure, hypertension.

Headache, NVD, fever, tachycardia, hypertension.

Any key contraindications.

Yes, a major one.

Asthma.

Carboprosts can cause bronchoconstriction, so it's contraindicated in patients with asthma.

Contraindicated in asthma, big one.

Nursing care.

Nursing care involves monitoring vital signs, the amount of vaginal bleeding, and assessing the firmness of the uterine tone, and managing those GI side effects is often needed too.

Monitor vitals, bleeding, uterine tone, manage side effects, and of course oxytocin, which we discussed earlier, is also used in the management of postpartum hemorrhage.

Its ability to stimulate strong uterine contractions makes it a first -line medication for preventing and treating postpartum hemorrhage due to uterine atony.

Moving on to medications specifically related to the Rh factor, we have Rho -D, immune globulin, often called RhoGAM.

This is given to Rh negative mothers, correct?

That's right.

Rho -D, immune globulin, is given to Rh negative individuals who have been exposed, or at risk of being exposed, to Rh positive blood.

Its purpose is to prevent them from forming antibodies against the Rh factor, a process called isoimmunization.

Prevents antibody formation in Rh negative moms exposed to Rh positive blood.

Exactly.

It's most effective when given at two specific times during a typical pregnancy,

around 28 weeks of gestation, and again within 72 hours after the birth of an Rh positive baby.

28 weeks and within 72 hours postpartum.

Yes.

It should also be given within 72 hours of any event that could cause mixing of maternal and fetal blood if the mother is Rh negative.

This includes procedures like amniocentesis or chorionic villa sampling, CVS, or events like a miscarriage, abortion, abdominal trauma, or any significant bleeding during pregnancy.

Also after potential mixing events like amnio, trauma, bleeding.

And it's important to know that it needs to be given with each subsequent pregnancy or exposure event where there's a risk of Rh incompatibility.

Each pregnancy exposure.

What are some of the side effects and when is row D immune globulin not indicated?

The main side effects are usually quite mild, maybe a possible slight fever and some soreness or tenderness at the injection site.

Mild fever, injection site soreness.

It should not be given to individuals who are already Rh positive.

It also shouldn't be given to someone who has already developed Rh antibodies.

The horse is out of the barn at that point, and it's contraindicated if there's a history of a severe allergic reaction to human immune

globulins.

Importantly, it is never given to the newborn baby.

Not for Rh positive people, not of antibodies already present, not for those with severe allergy, and never for the baby.

How is it administered?

It's given as an intramuscular IM injection.

Both the 28 -week dose and the postpartum dose are IM.

It must never be given intravenously.

I am only never IV.

Nursing checks.

We monitor for any increase in temperature and for tenderness at the injection site.

And as I mentioned, we need to confirm the mother doesn't already have a positive antibody titer, like a positive indirect Coombs test, because the immune globulin won't be effective then.

Monitor temp, site.

Confirm negative antibody titer.

We also give the rubella vaccine to some new mothers before they leave the hospital.

Yes, the rubella vaccine, often given as part of the MMR vaccine, is recommended for postpartum women who are found to be nonimmune to rubella.

Nonimmune is typically defined as having a rubella titer of less than 1 .8.

It's given by subcutaneous injection before discharge.

Subcutaneous for nonimmune moms, titer 1 .8.

Side effects, contraindications.

The main side effects are usually mild, maybe a transient rash or hypersensitivity reaction.

A key contraindication is a known severe allergy to eggs, as some vaccine components might be related.

Transient rash, hypersensitivity.

Contraindicated with egg allergy.

Nursing coins.

Before giving the vaccine, we absolutely need to ask about egg allergies and inform the health care provider if one exists.

It should also generally not be given if the woman or other close members of her household are severely immunocompromised, as it's a live attenuated virus vaccine.

Screen for egg allergy, immunocompromise in household, and patient teaching.

This is critical.

It's crucial to advise the woman to avoid getting pregnant for at least one month, sometimes up to three months, depending on current guidelines, after receiving the vaccine.

So reliable contraception is essential during that time.

Avoid pregnancy for one through three months.

Use contraception.

Very important.

Now, let's shift our focus to the newborn.

One of the first interventions for premature babies can be the administration of lung surfactants.

Lung surfactants are medications used to replace or supplement the natural surfactant that premature newborns may lack.

As we discussed with corticosteroids, surfactant is essential for keeping the tiny air sacs, the alveoli, in the lungs open so the baby can breathe properly after birth.

Replace the surfactant for preemies with RDS risk.

Exactly.

A lack of surfactant leads to respiratory distress syndrome, or RDS.

These medications are given directly into the baby's lungs through the endotracheal tube, the breathing tube, intratracheal administration.

Intratracheal.

And what are the potential adverse effects and precautions we need to consider?

Some potential immediate side effects during administration can include a temporary slowing of the baby's heart rate, transient bradycardia, and drops in their oxygen saturation levels.

There's also a small risk of bleeding in the lungs, pulmonary hemorrhage, the formation of mucus plugs in the airway, and sometimes the surfactant can reflux back up the endotracheal tube.

Transient bradycardia desaturation, pulmonary hemorrhage, mucus plugging, reflux.

Precautions.

We need to be cautious when using surfactants in newborns who are at risk for circulatory overload or fluid overload.

Caution with fluid overload risk.

What does the nursing care involve during and after surfactant administration?

The surfactant is instilled directly into the ET tube, often through a special side port adapter or a thin catheter passed through the tube.

It's important to try and avoid suctioning the baby's airway for at least two hours after the medication is given, if possible, to allow it to distribute and work effectively.

Instill via ET tube.

Avoid suctioning for two hours.

Monitoring.

We closely monitor the baby's heart rate and oxygen levels during the administration itself.

Afterwards, we continuously assess their breathing effort, respiratory rate, listen to their lung sounds for improvement, and watch closely for any signs of those adverse effects we mentioned.

Monitor HR 02 sats during administration.

Assess respiratory status, lung sounds, watch for adverse effects afterwards.

Okay.

Almost all newborns receive eye prophylaxis shortly after birth.

What's the purpose of this?

In the United States, it's actually a legal requirement in most states to provide preventive eye treatment to newborns.

This is to protect against ophthalmia neonaturum.

Ophthalmia neonaturum?

Yes.

It's a severe eye infection that the baby can acquire during passage through the canal if the mother has certain untreated sexually transmitted infections, specifically Neisseria gonorrhea, which causes gonorrhea,

and Chlamydia trachomatis.

Protects against gonorrhea and chlamydia eye infections from birth canal.

What medication is used?

The specific medication used can vary a bit by hospital policy, but it's very commonly an erythromycin ophthalmic ointment.

Erythromycin is effective, it's bacteriostatic and sometimes bactericidal against both N -gonorrhea and C -trechomatis.

Usually erythromycin ointment?

And how is this administered?

First, we gently clean the newborn's eyes, wiping from the inner corner outwards.

Then we apply a thin ribbon of the ointment into each lower conjunctival sac, that little pocket inside the lower eyelid.

We're careful not to touch the tip of the tube to the eye itself.

Clean eyes, thin ribbon in lower conjunctival sac, don't touch tube to eye, anything else.

Yes, it's important not to rinse or flush the eyes after applying the ointment, as that would wash away the medication and reduce its effectiveness.

Do not flush eyes after.

And interestingly, the application of this eye medication can sometimes be delayed for up to an hour or so after birth.

This allows for that initial uninterrupted skin -to -skin contact and bonding time between the parents and the newborn right after delivery.

Can be delayed up to one hour for bonding.

Good to know.

Another important medication for newborns is phytonadiono or vitamin K.

Why do newborns need this?

Newborns are born with very low levels of vitamin K.

This puts them at risk for bleeding problems, sometimes called hemorrhagic disease of the newborn.

Risk of bleeding due to low vitamin K.

Why are they low?

Vitamin K is essential for the liver to synthesize certain blood clotting factors.

Factors 2, C7, IX, and X.

Newborns don't have the gut bacteria necessary to produce vitamin K yet.

Those bacteria colonize the intestines over the first few days of life.

So there's this window, usually the first five to eight days, where they have a vitamin K deficiency.

Need gut bacteria for vit K synthesis takes five off days.

So vitamin K injection is given to prevent serious bleeding.

Exactly.

It's used for prophylaxis prevention and sometimes treatment of hemorrhagic disease of the newborn.

A rare potential adverse effect mentioned is hyperbilirubinemia or increased bilirubin levels, which could contribute to jaundice, but this is uncommon with a standard dose.

Prevent Streets hemorrhagic disease?

Rare risk of hyperbilirubinemia.

How is vitamin K administered?

The medication vial should be protected from light.

It's given early in the newborn period, usually within the first few hours after birth.

It's administered as single intramuscular IM injection.

Protect from light.

Give early, single IM dose.

Where?

The preferred injection site in newborns is the vastus lateralis muscle, which is on the outer aspect of the thigh, specifically the middle third of the muscle.

IM in vastus lateralis, nursing monitoring.

We need to monitor for any bruising or bleeding at the injection site.

We also check the umbilical cord stump for any oozing or bleeding.

And although it's rare, we watch for any signs of jaundice and monitor the baby's bilirubin level if needed.

Monitor injection site, cord for bleeding.

Monitor for jaundice bilirubin if concerned.

Finally, most newborns also receive the hepatitis B vaccine before they go home.

Yes, the hepatitis B vaccine is recommended universally for all newborns in the US to help protect them right from the start against infection with the hepatitis B virus, HPV.

HPV can cause serious liver disease later in life.

Universal recommendation for HPV prevention.

How is it given?

Side effects.

It's given as an intramuscular injection, usually before the baby is discharged from the hospital.

Possible side effects are generally mild and can include a localized reaction like redness, swelling, or pain at the injection site.

Maybe a low grade fever or possibly a rash.

Serious reactions are very rare.

IM before discharge.

Mild local reaction.

Possible low fever rash.

Nursing points.

We absolutely must obtain informed consent from the parents before giving the vaccine.

Like vitamin K, it's also injected IM into the vastus lateralis muscle, but usually in the opposite thigh if given at the same time.

Get parental consent.

IM in vastus lateralis, opposite leg from vit K usually.

What if the mother has hepatitis B?

That's the critical point.

If the mother is known to be positive for hepatitis B surface antigen, HBS ag positive, meaning she has an active infection, the newborn needs extra protection.

In addition to the first dose of the hepatitis B vaccine, the baby should also receive hepatitis B immune globulin, HBIG, within 12 hours of birth.

HBIG provides immediate passive immunity.

Then the baby continues the standard HBV vaccination schedule.

HBS ag positive mom, hep B vaccine plus HBIG within 12 hours for baby.

Exactly.

And very importantly, we need to document that the immunization was given usually on a specific immunization record card for the parents to keep and take to future pediatrician appointments.

Document immunization on parent's card.

Okay.

The chapter also includes a critical thinking question about an Rh negative pregnant client after amniocentesis.

Can you tell us about that and the correct nursing action?

Yes.

The scenario describes a nurse caring for a pregnant woman who just underwent an amniocentesis and notes in her chart that she is Rh negative.

Okay.

Rh negative mom post -amnio.

The critical thinking question asks of the appropriate nursing action.

The correct answer, based on what we've discussed, is that the nurse should anticipate and obtain an order from the healthcare provider to administer Rho D immune globulin.

Rho Jam.

Administer Rho Jam.

Why again?

Because amniocentesis is an invasive procedure that carries a small risk of fetal red blood cells entering the mother's circulation.

If the fetus is Rh positive and the mother is Rh negative, this exposure could sensitize the mother, causing her to produce anti -Rh antibodies.

Risk of fetal maternal hemorrhage during amnio could cause sensitization.

Precisely.

Giving Rho D immune globulin within 72 hours of the procedure prevents this sensitization from occurring, protecting future Rh positive pregnancies from hemolytic disease of the fetus and newborn.

It's standard practice after procedures like amniocentesis in Rh negative women, assuming they haven't already been sensitized.

Got it.

Prevent isoimmunization after potential exposure.

The chapter also provides some practice questions to help reinforce understanding of these What are some of the key topics those questions cover?

The practice questions really hit on several essential areas we've covered.

For example, there are questions testing your ability to recognize when to stop an oxytocin infusion, looking for signs like uterine tachycystal or non -reassuring fetal heart rate patterns.

Stopping oxytocin based on monitoring.

Exactly.

You'll also find questions about identifying the signs and symptoms of magnesium sulfate toxicity, like decreased respirations, loss and deep tendon reflexes, low urine output, and knowing the antidote is calcium gluconate.

Recognizing magnesium toxicity.

There's a question focusing on the correct way to administer erythromycin eye ointment to a newborn,

specifically pointing out an incorrect statement like rinsing the eyes afterward, which you shouldn't do.

Correct.

Erythromycin admin technique.

Another question asks about the medication used in preterm labor, specifically to enhance the lung maturity that would be beta -methasone or dexamethasone.

Corticosteroids for lung maturity.

There's a question emphasizing the priority nursing assessment before giving methyl organovine, which, as we stressed, is checking the blood pressure.

Priority check before methyl organovine, BP.

The route of administration for baractan, which is a type of lung surfactant, is also tested the correct answer being intratracheal.

Baractan route, intratracheal.

Understanding the antidote for opioid analgesics, which is naloxone, is another key area covered.

Opioid antidote, naloxone.

One question assesses client understanding of the purpose of Rho -D,

immune globulin, why it's given to Rh negative mothers.

Purpose of Rho game.

And finally, there's a question about a condition that would be a contraindication for using methyl organovine, such as peripheral vascular disease, due to its vasoconflicting effects.

Methyl organovine

contraindication, PVD.

So overall, these questions are really designed to test your knowledge of the medication's uses, their potential adverse effects, the critical nursing actions associated with them, and crucially, when they should not be used, the contraindications.

Good overview of the practice questions.

The chapter wraps up with an introduction to Unit 7, which shifts our focus to pediatric nursing.

What are some of the main things that will be covered in that section?

Yeah, the introduction to pediatric nursing sets the stage by highlighting some important differences when caring for children compared to adults.

It really emphasizes the critical role of growth and development at different ages.

Growth and development are key.

Absolutely.

Also, the need for safety measures that are specifically tailored to different age groups, the importance of nutrition and using age -appropriate feeding techniques, how to position children effectively to maintain their airway, breathing, and circulation.

Age -specific safety, nutrition, positioning.

And it also brings up the very serious issue of recognizing and responding to child neglect and abuse.

A vital point it makes is that when you're answering NCLE -XPN questions about pediatric care, you must always consider the child's specific age and developmental stage as this significantly influences assessment, interventions, and communication.

Always consider age and development for PEDS questions.

Makes sense.

And it also lists the client needs and of those categories.

Sure.

In pediatric nursing, the NCLE -XPN framework categorizes client needs into four main areas.

First is safe and effective care environment.

Safe and effective care environment.

This includes things like effective communication with children and families, obtaining informed consent or assent, appropriate delegation of tasks, ensuring physical and psychological safety,

prioritizing care, infection control principles, maintaining confidentiality and client rights, preventing errors and accidents, implementing protective measures like restraints appropriately, and ensuring continuity of care.

Okay.

That covers safety and management.

What's next?

Second is health promotion and maintenance.

This focuses on things like immunization schedules, understanding normal developmental stages and milestones, conducting health assessments and screenings, preventing diseases, and reinforcing health -related instructions to families.

Health promotion, immunizations, development prevention.

Third.

Third is psychosocial integrity.

This is about addressing issues like potential neglect and abuse using therapeutic communication techniques, understanding family dynamics and coping mechanisms, being sensitive to cultural, religious, and spiritual beliefs, providing support during end -of -life care and grief, identifying and utilizing support systems, and incorporating age -appropriate play therapies.

Psychosocial abuse, neglect, communication, family, culture, grief, play therapy.

And the last one.

The fourth category is physiological integrity.

This is quite broad and covers areas such as safe medication administration and providing appropriate nutrition and hydration, ensuring comfort and pain management,

managing care during intrusive procedures, understanding common childhood illnesses and conditions, addressing elimination needs, knowing normal body structure and function across different ages, managing infectious diseases, monitoring physiological responses to treatments, promoting rest and sleep, and responding effectively to pediatric emergencies.

Physiological meds, nutrition, comfort procedures, illnesses, body systems, emergencies.

Got it.

Well, we have certainly covered a vast amount of information today, really diving deep into the world of maternity and newborn medications based on this chapter.

Yes, it was quite a journey.

We've gone through the descriptions, the uses, potential problems, the crucial reasons not to use them, contraindications, and the vital nursing care involved for a wide array of medications used during this incredibly important time in life.

So for you, our listener, hopefully this detailed exploration gives you a really solid understanding of the essential pharmacology you need to know for maternity and newborn care, especially if you're preparing for the NCLEX -PN.

Absolutely.

And this leads us to

a final thought.

Considering how quickly medical science and pharmacology are advancing, how might the ways we use these medications change in the coming years to make things even safer and achieve even better outcomes for mothers and their newborns?

That's a great point.

It's a field that's constantly evolving, isn't it?

Staying informed and keeping up with best practices is key to providing the best possible care.

Definitely.

Continuous learning is essential.

Indeed.

Thank you for joining us for this Deep Dive.

We've reached the end of our comprehensive exploration of Chapter 27 on maternity and newborn medications from the Saunders Review.

We believe we've covered all the key nursing concepts, assessment guidelines, clinical procedures, safety protocols, priority actions, and even touched on those practice questions and the intro to PEDS.

Yes.

We've aimed to provide a thorough overview, defining medical terms as we went along, and ensuring that we addressed all the important aspects presented in this chapter.

We truly hope this Deep Dive has given you valuable insights and a much clearer understanding of these critical medications.

Until our next exploration.