Chapter 31: Mental Health Disorders and Substance Abuse

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You know, you would think the leading cause of maternal death would be something like visibly catastrophic,

a severe hemorrhage in the delivery room, or maybe a massive blood spike from pre -eclampsia.

But it's not.

It actually surpasses hemorrhage and hypertensive disorders.

It's suicide.

It's a heavy topic today.

It really is.

Today we are doing a deep dives into the hidden and honestly often misunderstood crisis of perinatal mental health.

It's just this staggering reality that it fundamentally changes how we have to approach maternal care because mental health problems are some of the most common medical complications during the perinatal period.

Which is wild to think about.

Right.

I mean, we are looking at a situation where one in seven women worldwide are affected.

And because women are at their greatest risk for developing a mental health disorder between the ages of 18 and 45, which are the prime childbearing years, this is an issue you will encounter constantly on the floor.

Constantly.

Yeah.

Yet these conditions remain vastly under recognized.

Which is exactly why you're here.

Consider us your Last Minute Lecture team.

This deep dive is built specifically for the nursing student to really cut through the noise of Chapter 31 in maternity and women's health care.

We're focusing on mental health disorders and substance abuse today.

Right.

And we aren't just going to recite symptoms at you.

We want to unpack the underlying biology, the clinical reasoning, and the exact tools you need so that when you walk into a patient's room, you know exactly what you're looking at and how to intervene.

Exactly.

So to start, we really have to look at the diagnostic dilemma of perinatal mood disorders or PMDs.

Okay.

Let's unpack this.

Well, these can emerge at any time during pregnancy or throughout the first year postpartum.

And to actually be diagnosed with major depression, a patient must present with at least five specific symptoms nearly every day.

Five symptoms.

Okay.

Yeah.

Things like a depressed mood, weight changes, severe insomnia, profound fatigue, feelings of worthlessness, and of course, suicidal ideation.

Wait, hang on.

If I'm a nurse doing an intake assessment on a pregnant woman, I'm seeing a massive glaring issue here.

What's that?

Fatigue, sleep disruption, weight changes.

That literally just describes a normal pregnancy.

I mean, growing a human is exhausting.

How are you supposed to tell the difference between a woman who is just, you know, feeling the heavy physical toll of the third trimester and a woman who is actually slipping into clinical depression?

That is the exact overlap that makes us so easily missed.

And the text actually includes a critical nursing alert to help you differentiate the two.

Oh, good.

What does it say?

You have to look past the physical symptoms and really focus on the psychological ones.

Normal pregnancy fatigue does not come with profound feelings of worthlessness or inappropriate guilt.

And when it comes to sleep, it isn't just about being tired.

It's a major disruption in the sleep pattern itself.

Like what?

For instance, the mother is completely exhausted.

The baby is finally sleeping, but her brain will not let her sleep.

It's this agitated, wired insomnia.

And most crucially, obviously, you are listening for any mention of a suicide plan.

Wow.

Okay.

And the stakes for catching this are incredibly high.

It doesn't just affect the mother's survival, right?

No, not at all.

The data clearly shows that untreated maternal depression negatively impacts the fetus.

We see outcomes like low birth weight and altered neurologic development in the infant.

So if we catch it and we know we have to treat it to protect both patients, we run into the reality of psychopharmacology.

It feels like trying to put out a fire in the kitchen while being incredibly careful not to flood the living room.

That's a great analogy.

You have to stop the mother's severe depressive episode.

But the water you're using, the medication, is crossing the placental barrier.

It is a constant balancing act.

You are always weighing the known risks of the medication against the severe proven dangers of an untreated major depressive episode.

So what are our options there?

Well, if we look at table 31 .1 in the text,

it breaks down antidepressants, specifically the selective serotonin reuptake inhibitors or SSRIs.

Medications like sertraline brand name Zoloft are really emerging as first -line agents.

Okay, so Zoloft is the go -to.

Yeah, they're considered relatively safe, though as the nurse, you still need to monitor the newborn for irritability or poor feeding after birth.

But I want to stress, not all SSRIs are created equal.

Right, didn't the techs warn about Paxil?

Exactly.

Peroxetine or Paxil is specifically warned against because its use has been associated with fetal cardiac defects.

Yikes, and the risks get even more complicated when we look at medications used for bipolar disorder or mania.

They absolutely do.

If you jump to table 31 .2 on mood stabilizers, the clinical alerts are severe.

Lithium exposure carries a significant risk for cardiac anomaly.

And it affects breastfeeding too, right?

Right, it's classified as an L4 risk category for lactation, meaning it is potentially hazardous to a breastfeeding infant.

Then you have valproic acid or Depakote.

That one carries a high risk for neural tube defects.

Meaning the fetal spine fails to close properly during early development,

potentially exposing the spinal cord like in spina difida.

Precisely, which means any patient on these medications requires incredibly close maternal and fetal monitoring.

And this brings us to a rather shocking clinical reality.

The FDA currently has zero approved psychotropic medications specifically for use during pregnancy.

Wait, zero?

Zero.

Every single prescription is an off -label risk -benefit clinical decision made by the healthcare team.

That is wild.

Which makes me wonder,

if a woman who is currently taking a mood stabilizer or an antidepressant suddenly finds out she's pregnant, wouldn't her first instinct just be to throw the pills in the trash just to protect the baby?

It is a very common instinct, yeah.

And it is incredibly dangerous.

This is a primary nursing intervention.

You must passionately advocate that no woman abruptly stops her psychotropic medication.

Because of the withdrawal.

The physiological withdrawal risks are severe, yes.

And the relapse rates for major depression are astronomical.

Quitting cold turkey just creates a biological crisis for both the mother and the fetus.

Any medication changes have to be a carefully managed interprofessional decision.

Okay, so we manage the medication risks during pregnancy and hopefully get the mother safely to delivery.

But the moment the baby is delivered, the placenta detaches and the mother experiences one of the testosterone just fall off a cliff.

Right.

So how does a nurse differentiate a normal emotional reaction to that physiological crash from an actual postpartum mood disorder?

You really have to look at the timeline and the severity of the symptoms.

What we commonly call the baby blues affects 50 to 70 percent of all postpartum women.

So most women get it.

Yeah.

It is a direct result of that hormonal crash and just the sheer exhaustion of birth.

It's mild, it's transient, it involves some mood swings and crying spells, but closely it resolves on its own in a few days to two weeks.

It requires no medical treatment, just support.

But if it doesn't resolve after two weeks, then you are looking at postpartum depression or PPD.

This affects roughly 9 to 24 percent of women and it is not transient.

What does it look like?

It's characterized by pervasive sadness, severe mood swings, and very frequently this terrifying feeling of detachment from the infant.

The mother might feel absolutely nothing when she looks at her baby, which of course then triggers intense guilt.

So how do we actually catch this before it escalates?

I mean we can't just guess who is struggling based on how much they smile during morning rounds.

No, definitely not.

We rely on universal screening.

We use a specific standardized tool called the Edinburgh Postnatal Depression Scale or EPDS.

How does that work?

It's a 10 question assessment with a maximum score of 30.

If a woman scores a 12 or higher, that's a red flag requiring immediate further assessment.

And there is one question on the EPDS that specifically addresses suicidal thoughts.

If she scores positively on that single question, regardless of her total score, it requires prompt emergency intervention.

That is such a critical thing for a nurse to look out for.

And if the diagnosis is PPD,

the text outlines medical management, right?

Including standard antidepressants and cognitive behavioral therapy.

But there is also a relatively new FDA approved FAY drug called Brexanolone, brand name Zorresso.

Yes, Zorresso.

And the administration of this drug sounds intense.

It requires a 60 -hour continuous IV infusion.

Why does it take almost three days to administer?

It has everything to do with how the drug works and the severe risks involved.

This medication is essentially trying to stabilize that massive hormonal crash we just talked about.

But because it acts so heavily on the central nervous system, it carries this extreme risk of excessive sedation or even a sudden loss of consciousness.

So you have to drink it into the patient's system incredibly slowly over 60 hours.

And as the nurse, you are required to maintain continuous pulse oximetry monitoring.

You have to ensure her oxygen levels don't drop because she is quite literally too sedated to breathe properly.

That is serious bedside monitoring.

You know, the chapter includes an unfolding case study about PPD that highlights the difference between a helpful nursing intervention and a harmful one.

I'm glad you brought that up.

Yeah, because if a mother is exhausted and depressed, the instinct might be to take the baby to the nursery,

isolate the mother in a dark room, and just tell her to sleep for 12 hours.

Which the text explicitly points out is highly ineffective and potentially harmful.

Right.

You do not want to or discourage mother -baby interaction.

The goal is to facilitate attachment.

Effective nursing interventions include sitting with her, demonstrating care of the infant, and heavily praising the woman when she successfully provides that newborn care.

So you're building her back up.

Exactly.

You are rebuilding her confidence and developing a support plan, not severing the bond.

Here's where it gets really interesting though.

The text points out a symptom of PPD that is rarely talked about because it's so terrifying.

Women with postpartum depression often experience obsessive intrusive thoughts about harming their babies.

Yes.

And as a nurse, you have to make a crucial clinical distinction here.

What's the distinction?

Well, a woman with PPD might have a sudden intrusive thought about, say, dropping her baby down the stairs.

But she is absolutely horrified by that thought.

She feels intense guilt.

And because of that, she becomes hyper vigilant against acting on it.

In psychiatric terms, we call this ego dystonic.

Ego dystonic, meaning the thought is completely contradictory to her actual desires, her personality, and her fundamental beliefs.

It feels alien to her.

Exactly.

She does not want to do it.

This is entirely different from the psychiatric emergency known as postpartum psychosis, where those thoughts are no longer horrifying intrusions, but actual delusions.

Let's explore that transition because postpartum psychosis affects about one to two per thousand births, right?

Yeah.

Usually manifesting in the first two to four weeks.

Yes.

And it's often associated with bipolar disorder.

The clinical picture is drastically different, night and day.

What are the signs?

You will see acute bizarre behavior, severe paranoia, and visual or auditory hallucinations.

Often these are command hallucinations.

Command hallucinations, meaning a voice is explicitly telling the mother to kill the infant.

Yes.

And she may actually believe she has to do it to save the child from something worse.

It is an absolute emergency.

It requires immediate inpatient psychiatric admission and management.

What meds are used for that?

We look at table 31 .3 for this.

It involves atypical anti -psychotics like aripiprazole, alanzapine, or quesapine.

But wait, if the mother is actively psychotic and having command delusions to harm the baby, do we just completely separate them?

Like, do you lock the baby away for its own safety while she gets inpatient care?

You would think so, but the clinical protocol is far more nuanced.

Mother -infant contact is actually advantageous if the mother desires it.

Really?

Even in psychosis?

Yes.

Because maintaining that bond aids in long -term recovery.

However, and this is a massive however, the visits must be strictly intensely supervised by trained staff at all times.

She is never ever left alone with the infant.

So safety first, but maintain the bond.

Safety is paramount, yes, but complete isolation can just deepen the trauma.

And I think it's worth noting here that partners are not immune to the massive stress of this transition.

The text highlights paternal perinatal depression, or PPND.

Right, which affects 8 to 10 percent of men.

That's a lot.

It is.

Nurses must screen partners and too, because when both parents are depressed, the entire family unit is in a severe crisis.

We also can't ignore the spectrum of anxiety disorders.

While depression and psychosis often take the spotlight,

generalized anxiety disorder, panic attacks, OCD, and PTSD, which is very frequently triggered by traumatic births or severe complications, can profoundly impair a mother's functioning.

Definitely.

Which really brings us to the nurse's most important job on the floor, which is frontline assessment.

But how do you actually get a patient to admit they are terrified of their own thoughts or that they're having panic attacks?

You can't just wait for them to volunteer that information.

You can't.

There is far too much shame and stigma attached.

Direct assessment is required.

The text provides these great teaching boxes emphasizing that you must educate the family on preventing PPD through promoting sleep, nutrition, and exercise.

Right.

But more importantly, the book provides the exact phrasing for asking these hard questions.

I love the script the book recommends.

It tells the nurse to say,

many women feel depressed after having a baby and some feel so bad that they think about hurting themselves or the baby.

Have you had these thoughts?

Why is that specific phrasing so effective?

Because it instantly normalizes the symptom.

By starting with many women feel depressed, you remove the isolating stigma of being the only one who feels this way.

It takes the shame away.

Exactly.

It lowers their defenses and opens the door for a truthful answer.

And a truthful answer is the absolute cornerstone of clinical reasoning.

But what happens if you ask that question and the answer is yes?

She does have a plan to hurt herself, but she refuses any help and tries to sign out against medical advice.

Yeah.

What then?

That triggers a vital legal tip included in this section.

If a mother is actively suicidal or homicidal and refuses treatment, the nurse has a legal duty regarding involuntary commitment.

So autonomy takes a backseat.

Patient autonomy is always important, but imminent safety always supersedes it.

That makes total sense.

And for those mothers who do accept help and begin taking medication for their anxiety or mood disorders,

they often want to know if they can still breastfeed.

It's usually their first question.

Yeah.

The clinical reality is that all psychotropic medications pass into breast milk to some degree.

But many SSRIs like sertraline are considered safe enough to use, right?

Yes, provided the nurse teaches the mother to monitor the infant for signs of irritability or poor feeding.

That exact need for a non -judgmental, de -stigmatizing approach bridges us perfectly into the second half of chapter 31, which covers perinatal substance use disorder, or SUD.

We have to treat SUD not as a moral failing, but as what it physiologically is.

It's a chronic, relapsing, and progressive disease.

As a nurse, you are watching for warning signs like late or zero prenatal care, missed appointments, and poor nutrition.

But we also really need to understand the direct physiological mechanisms of how these substances harm the fetus.

Let's start with tobacco.

Okay.

What does tobacco do?

Tobacco use causes severe vasoconstriction, which limits blood flow to the placenta.

This leads to intrauterine growth restriction, or IUGR.

So a baby isn't growing.

Right.

Imagine a fetus simply not getting enough oxygen or nutrients to grow to its proper size.

It is also heavily linked to placenta previa and placental abruption.

What about alcohol?

Alcohol easily crosses the placenta and alters fundamental cellular development.

It causes birth defects and fetal alcohol spectrum disorder.

And the text places a massive emphasis on this point.

There is absolutely no known safe amount of alcohol consumption during pregnancy.

None at all?

None.

And just to touch on marijuana, it is also linked to IUGR due to similar mechanisms of restricted blood flow.

What happens when we introduce central nervous system stimulants like cocaine and methamphetamines?

The mechanism of injury here is really violent.

Cocaine causes severe systemic vasoconstriction.

The maternal blood vessels clamp down so hard and so fast, the placenta can literally tear away from the uterine wall.

The placental abruption we mentioned.

Yes.

And it is a life -threatening emergency for both the mother and the baby.

Finally, we have opioids.

Chronic opioid use stresses the fetus immensely.

And that intrauterine stress often causes the fetus to pass a bowel movement meconium into the amniotic fluid while still inside the womb.

Yes, which is dangerous.

And crucially, it leads to neonatal abstinence syndrome, or NAS, where the newborn goes through agonizing physical withdrawal after birth.

If we connect this to the bigger picture, the fetus isn't just harmed by the direct teratogenic effects, meaning the drugs themselves causing the birth defects.

The harm heavily compounds from the indirect effects of the SED lifestyle.

Well, a mother struggling with severe addiction often has a poor diet, meaning the fetus lacks basic nutritional building blocks.

The vascular damage from the drugs causes placental insufficiency.

Add in a lack of healthcare access.

And it is a compounding physiological crisis.

And the legal realities are heavy too.

The text notes that in some states, maternal substance use is legally defined as criminal child abuse.

Yeah, that's a huge point.

Suspected SUD is reason for required reporting in over half of the states, meaning you must be acutely aware of your specific local reporting laws to protect your license and your patient.

But, you know, knowing the physiology and the laws is kind of useless if the nurse cannot get the patient to admit to the substance use in the first place.

You need universal screening.

You can't just pick and choose who to screen.

No, you cannot just screen demographics you assume might have a problem.

That introduces massive, dangerous bias.

The text is really clear on the technique for this.

You ask when the woman is alone without her partner or family present.

And you start soft.

Right, you ease into it.

You ask about over -the -counter medications first.

Then you move to legal substances like caffeine and tobacco.

Yeah.

Only after establishing that rhythm do you ask about illicit drugs.

It prevents the patient from immediately raising their defensive walls.

For the actual screening tools, the standard is the 4Ps plus tool.

Who are the 4Ps?

You ask about parents, partner, past, and pregnancy.

So did her parents have a problem with drugs or alcohol?

Does her partner, has she had a problem in the past?

And has she used during this pregnancy?

And for teenagers?

For adolescent patients, you use a different tool called the Criaria FFT tool.

And if the clinical picture requires toxicologic testing like a urine or meconium screen, the text has a strict mandate.

It requires informed consent.

So no secret testing?

Absolutely not.

You cannot secretly test a patient.

You must explain the purpose and the potential legal consequences of the test.

Let's talk about interventions because this is where the clinical logic takes a surprising turn.

If a pregnant patient is using cocaine or meth, the goal is immediate cessation.

If she's addicted to alcohol, it requires inpatient medical withdrawal using benzodiazepines because alcohol withdrawal can cause fatal seizures.

Correct.

But opioids are entirely different.

Wait,

if a patient is addicted to heroin, why wouldn't we just medically detox her the exact same way we do for alcohol?

Because the fetal response to opioid withdrawal is catastrophic.

The evidence -based practice box in the text is very clear on this.

Medical withdrawal from opioids during pregnancy is currently not recommended.

It's not recommended.

No.

The risk of the mother relapsing is incredibly high, and the severe swings between withdrawal and relapse cause massive fetal distress.

It can trigger preterm labor or even fetal death.

So what is the standard of care, then?

Opioid agonist therapy.

We transition the mother onto a controlled, long -acting opioid replacement, like buprenorphine brand names, suboxone, or methadone.

Keeping her system totally stable on methadone is vastly safer for the fetus than the chaotic cycle of street heroin withdrawal and relapse.

That brings me to the final case study in the chapter about a pregnant woman who has been successfully stabilized on suboxone.

Once she delivers, she is holding her baby and she asks the nurse if she can breastfeed.

Ah, yes.

If she is taking a daily opioid replacement.

Do we tell her she can't breastfeed?

It feels incredibly counterintuitive, but you must know this for your clinicals and your exams.

Breastfeeding is strictly contraindicated if the mother is actively using methamphetamines, alcohol, cocaine, or street heroin.

Okay, obviously.

But breastfeeding is actually heavily encouraged for women maintained on methadone or buprenorphine.

Encouraged.

Even though the medication crosses into the breast milk.

Yes, precisely because it crosses into the breast milk.

That tiny, steady amount of the medication passing through the milk actually helps slowly wean the infant.

It significantly decreases the severity of neonatal abstinence syndrome and leads to a shorter, safer hospital stay for the baby.

Wow.

So what does this all mean for you as you close the textbook and prepare for the floor?

It means caring for women with perinatal mental health or substance use disorders requires you to completely look past societal stigma?

It requires you to utilize the exact standardized algorithms provided in Chapter 31, like the ePDS for depression and the 4Ps Plus for substance screening.

You have to rely on physiological evidence, not assumptions.

I want to leave you with one final thought to mull over.

As you step onto your maternity unit, look closely at the physical layout and the hospital's visitor policies.

That's a great point.

Consider how those structures might inadvertently help or severely hinder.

A mother battling a highly stigmatized mental health or substance use disorder.

Are the rooms designed for safe, constant supervision or do they feel like solitary confinement?

How can you, as the nurse, alter the lighting, the tone of your voice, and the environment of that room to foster a desperate need for connection rather than isolation?

From the Last Minute Lecture team, we want to give you a warm, supportive thank you for studying with us today.

We wish you the absolute best of luck on your upcoming exams and out there in your nursing practice.

Remember, you won't always have a clear, easy x -ray to show you what's broken in a patient's mind or life.

But with the right assessment tools, the courage to ask the hard questions, and a whole lot of empathy, you can help these mothers navigate safely through the dark.

Till next time.