Drug Addiction During Pregnancy: Risks and Treatment

Drug addiction during pregnancy is one of the most pressing and painful public health challenges of our time. It does not discriminate by income, education, or background. It touches families in every community, and when it overlaps with pregnancy, the stakes are doubled, not just for the mother but for the baby growing inside her.

According to the National Institute on Drug Abuse (NIDA), approximately 5 percent of pregnant women use one or more addictive substances during pregnancy. That number may sound small, but it represents hundreds of thousands of pregnancies every single year in the United States alone.

The hardest truth about substance use during pregnancy is that many women are already fighting a serious illness when they become pregnant. Addiction is not a moral failure. It is a chronic, complex brain disorder, and treating it during pregnancy requires compassion, medical expertise, and a clear-eyed understanding of what both the mother and the baby need to survive and thrive.

This article covers everything you need to know: the most commonly used substances, the specific risks of drug use during pregnancy, what happens to newborns, and the treatment options that actually work. Whether you are a concerned family member, a healthcare provider, or a pregnant woman looking for answers, you will find clear, honest, and practical information here.

Understanding Drug Addiction During Pregnancy

What Is Substance Use Disorder in Pregnant Women?

Substance use disorder (SUD) is a medical condition characterized by a pattern of use that leads to significant impairment or distress. During pregnancy, SUD does not typically start from scratch. In most cases, the condition existed before conception, and the pregnancy adds a new layer of urgency and medical complexity.

In the United States, 40% of persons with a lifetime drug use disorder and 26% with a combined alcohol and drug use disorder during the prior year are women, and they are at the highest risk for substance use disorder during their reproductive years.

The most commonly used substances during pregnancy include:

• Tobacco and nicotine (the most frequently used)
• Alcohol
• Cannabis (marijuana)
• Opioids, including prescription painkillers and heroin
• Cocaine
• Methamphetamine
• Benzodiazepines

Each of these substances carries its own specific set of risks, and many women use more than one at the same time, a situation called polysubstance use, which significantly increases the danger to both mother and baby.

Why Is This Such a Difficult Problem to Address?

Stigma is the single biggest barrier. Many pregnant women are afraid to tell their doctors about drug use because they fear legal consequences, loss of custody, or judgment from medical professionals. This fear pushes the problem underground, delaying or completely preventing treatment.

Only 13% of outpatient-only and residential substance use treatment facilities offered special treatment programs for pregnant or postpartum women, and among hospital inpatient treatment facilities, this figure was just 7%.

That gap between need and availability is enormous. It is not enough to tell a pregnant woman to “get help” if the help is not there when she reaches for it.

How Drugs Affect the Developing Baby

The Placenta Does Not Filter Everything

One of the most important things to understand about drug use during pregnancy is how substances travel through the body. Many substances pass easily through the placenta, so substances that a pregnant woman takes also reach the fetus. This means the baby is exposed to virtually everything the mother consumes, including illicit drugs, alcohol, nicotine, and misused prescription medications.

The timing of exposure matters enormously. The first trimester is when major organ systems and the brain begin forming. Exposure during this window can result in structural birth defects. Later exposure, particularly in the second and third trimesters, affects fetal growth, brain development, and the baby’s neurological functioning.

7 Serious Risks of Drug Addiction During Pregnancy

1. Preterm Birth

Preterm birth, defined as delivery before 37 weeks of gestation, is one of the most well-documented consequences of substance use during pregnancy. Babies born prematurely face a long list of potential complications, including breathing problems, underdeveloped organs, feeding difficulties, and an increased risk of developmental delays.

Opioid use disorder during pregnancy has been linked with serious negative health outcomes, including preterm birth, stillbirth, maternal mortality, and neonatal abstinence syndrome.

Cocaine, methamphetamine, and tobacco are also strongly associated with early delivery. The mechanisms are different depending on the substance, but the outcome is the same: a baby who arrives before their body is ready.

2. Low Birth Weight

Low birth weight (under 5.5 pounds) is another direct consequence of prenatal drug exposure. Drugs like methamphetamine suppress appetite, meaning the mother may not consume enough nutrients to support healthy fetal growth. Because methamphetamine causes appetite loss, the pregnant person may not eat enough during pregnancy, which can result in low birth weight for the newborn.

Nicotine also has a powerful effect here. Smoking during pregnancy increases the risk for certain birth defects, premature birth, miscarriage, and low birth weight and is estimated to have caused more than 1,000 infant deaths each year.

Babies born with low birth weight are at a significantly higher risk for infections, developmental problems, and chronic health conditions throughout their lives.

3. Neonatal Abstinence Syndrome (NAS)

Neonatal abstinence syndrome (NAS) is a group of withdrawal symptoms that a newborn experiences when the substances they were exposed to in the womb are no longer available after birth. It is one of the most visible and heartbreaking consequences of opioid use during pregnancy, though other substances including alcohol, benzodiazepines, and barbiturates can cause it as well.

Symptoms of drug withdrawal in a newborn can develop immediately or up to 14 days after birth.

Common symptoms of NAS include:

• Tremors and seizures
• Excessive crying and irritability
• Poor feeding and slow weight gain
• Vomiting and diarrhea
• Fever and sweating
• Sleep disturbances
• High-pitched crying

A related condition, neonatal opioid withdrawal syndrome (NOWS), refers specifically to withdrawal from opioids. NOWS is when the baby has withdrawal symptoms because their mother was using prescription opioids during pregnancy.

Treatment for NAS may involve a carefully managed tapering regimen in the neonatal intensive care unit (NICU), along with non-pharmacological comfort measures like skin-to-skin contact, swaddling, and low-stimulation environments.

4. Stillbirth and Miscarriage

Recent research shows that smoking tobacco or marijuana, taking prescription pain relievers, or using illegal drugs during pregnancy is associated with double or even triple the risk of stillbirth.

This is a devastating statistic that does not get nearly enough attention. Stillbirth is defined as fetal death after 20 weeks of gestation. It is a traumatic experience for any family, and the risk is significantly elevated when drug addiction during pregnancy goes untreated.

Using illegal drugs such as cocaine, methamphetamines, and club drugs during pregnancy can cause problems including miscarriage. The risk of placental abruption, a sudden separation of the placenta from the uterine wall, is particularly high with cocaine use and can cause both fetal death and life-threatening hemorrhage in the mother.

5. Birth Defects

Fetal alcohol spectrum disorders (FASDs) represent the most well-known category of drug-related birth defects. There is no known safe amount of alcohol use during pregnancy or while trying to get pregnant, and there is also no safe time during pregnancy to drink.

FASDs are a spectrum of lifelong conditions that can include intellectual disabilities, behavioral problems, physical abnormalities, and difficulties with learning, memory, and attention. FASD is a life-long condition that can cause a mix of physical, behavioral, and learning problems.

Beyond alcohol, other substances are also linked to structural and developmental abnormalities. Cocaine exposure has been connected to brain development issues, cardiac defects, and urogenital abnormalities. Methamphetamine is associated with heart defects and increased risk of cleft palate.

6. Maternal Health Complications

Drug addiction during pregnancy is not only dangerous for the baby. The mother faces a dramatically elevated risk of serious medical complications. These include:

• Overdose and death, particularly with opioids and fentanyl
• Cardiovascular complications from stimulants like cocaine and methamphetamine
• Increased risk of HIV and hepatitis C and B from intravenous drug use
• Severe malnutrition from appetite-suppressing drugs
• Placental abruption and hemorrhage
• Preeclampsia (dangerously high blood pressure during pregnancy)

Untreated addiction is associated with engagement in high-risk activities, such as prostitution, trading sex for drugs, and criminal activities, which expose women to STIs, violence, and legal consequences including loss of child custody, criminal proceedings, or incarceration.

7. Long-Term Developmental and Behavioral Problems in Children

The consequences of prenatal drug exposure do not end at birth. Research consistently shows that children who were exposed to drugs in the womb face long-term challenges that can follow them throughout childhood and into adulthood.

Children born to mothers with untreated SUD or mental health conditions have a higher risk of developmental delays and behavioral issues.

These can include:

• Attention-deficit/hyperactivity disorder (ADHD)
• Learning disabilities and poor academic performance
• Emotional regulation difficulties
• Increased risk of developing their own substance use disorders later in life
• Social and behavioral problems

In some cases, smoking during pregnancy may be associated with sudden infant death syndrome (SIDS), as well as learning and behavioral problems and an increased risk of obesity in children.

Drug-Specific Risks During Pregnancy

Opioids and Heroin

Opioid use disorder (OUD) during pregnancy is a major public health crisis. From 2010 to 2017, the number of women with opioid-related diagnoses at delivery hospitalization increased by 131%.

During pregnancy, chronic untreated addiction to heroin is associated with lack of prenatal care, increased risk of fetal growth restriction, abruptio placentae, fetal death, preterm labor, and intrauterine passage of meconium.

The key word in that sentence is “untreated.” With proper medication-assisted treatment (MAT), many of these risks can be significantly reduced.

Cocaine

Cocaine is a powerful stimulant that causes blood vessels to constrict. During pregnancy, this can restrict blood flow through the placenta, leading to fetal oxygen deprivation, intrauterine growth restriction, and placental abruption. Cocaine also crosses the blood-brain barrier of the developing fetus and has been associated with structural brain abnormalities.

Methamphetamine

Methamphetamine use can cause cardiovascular complications such as high blood pressure and even stroke in the birthing parent. For the baby, meth exposure is linked to low birth weight, premature delivery, and possible heart defects. The good news is that research shows that quitting methamphetamine use at any point during pregnancy and obtaining regular prenatal care can help lead to a normal outcome.

Cannabis (Marijuana)

Many people believe marijuana is harmless, but the science does not support that view during pregnancy. Some research shows that using cannabis during pregnancy is linked to developmental problems in children and teens. The CDC advises against any cannabis use while pregnant, including CBD products.

Tobacco and Nicotine

Nicotine readily crosses the placenta, and concentrations of this drug in the blood of the fetus can be as much as 15 percent higher than in the mother. This makes smoking during pregnancy one of the most consistently harmful things a pregnant woman can do, even though it is also one of the most socially accepted.

Treatment Options for Drug Addiction During Pregnancy

Getting treatment during pregnancy is not just important. It can be lifesaving. The good news is that effective, evidence-based treatments exist, and starting treatment at any point in pregnancy offers significant benefits.

Comprehensive Prenatal Care

The optimal management strategy for pregnant women with substance use or SUD begins with comprehensive prenatal care, followed by counseling and educating them about the consequences of drug use and encouraging them to discontinue or reduce usage.

Prenatal care is the foundation on which all other treatment is built. Regular prenatal visits allow healthcare providers to monitor the baby’s development, screen for complications, and connect the mother with the support services she needs.

Medication-Assisted Treatment (MAT)

Medication-assisted treatment is the gold standard for opioid use disorder during pregnancy. It involves the use of FDA-approved medications to reduce cravings, prevent withdrawal, and allow the mother to stabilize her life.

The two main medications used are:

Methadone

Methadone is dispensed on a daily basis by a registered opioid treatment program and should be part of comprehensive treatment, including addiction counseling, family therapy, nutritional education, and other medical and psychosocial services as indicated for pregnant women with opioid use disorder.

Methadone has been used for decades and has a well-established track record of improving outcomes for both mother and baby during pregnancy.

Buprenorphine (Subutex/Suboxone)

Methadone or buprenorphine maintenance therapy is the standard treatment for opioid use disorder during pregnancy, improving outcomes for both mothers and infants compared to no treatment.

Buprenorphine has the advantage of being prescribed in an office-based setting, which makes it more accessible than methadone for many women.

Important: Do not stop taking opioids suddenly without medical supervision. Quitting suddenly (called cold turkey) can cause severe problems for your baby, including death.

Behavioral Therapies

Medication alone is rarely enough. Behavioral therapies address the psychological and emotional dimensions of addiction and are a core part of any comprehensive treatment plan.

Therapies like cognitive behavioral therapy (CBT) help manage anxiety, depression, and substance use behaviors.

Other effective approaches include:

• Motivational interviewing (MI): A compassionate, non-judgmental approach that helps women find their own motivation to change
• Contingency management: A reward-based system that reinforces abstinence and treatment attendance
• Individual and group counseling: Addresses trauma, stress, and the emotional factors behind addiction

Motivational interviewing and brief intervention rather than a judgmental or punitive approach are more likely to produce positive behavioral change.

Peer Support and Community Programs

Peer support and community programs play a critical role in maternal recovery and well-being.

Women who have been through the same experience can offer something that medical professionals cannot: lived understanding. Peer support programs, recovery coaches, and community-based organizations are invaluable parts of the addiction treatment landscape for pregnant women.

Treating Co-Occurring Mental Health Conditions

Co-occurring mental health disorders are extremely common among pregnant women with SUD. Pregnant women with opioid use disorder often suffer from co-occurring mental health conditions, particularly depression, history of trauma, post-traumatic stress disorder, and anxiety. More than 30% of pregnant women enrolled in a substance use treatment program screened positive for moderate to severe depression, and more than 40% reported symptoms of postpartum depression.

Effective treatment must address both the addiction and the underlying mental health conditions simultaneously. An integrated care approach that brings together obstetricians, addiction specialists, and mental health providers under one roof produces the best outcomes.

Screening and Early Intervention

The American Congress of Obstetricians and Gynecologists (ACOG) recommends universal screening for substance use using a validated instrument at the first prenatal visit and periodically thereafter.

Universal screening means every pregnant woman is asked about substance use, not just those who “look like” they might have a problem. This reduces stigma, catches problems early, and opens the door to treatment before serious harm occurs.

What Happens If You Quit Cold Turkey During Pregnancy?

This is a question many pregnant women ask, and the answer is nuanced. For some substances, like tobacco, stopping abruptly is generally safe and recommended. For others, it is dangerous.

Suddenly stopping the use of a medication may be more risky for both the mother and fetus than continuing to use the medication while under a doctor’s care.

For opioid-dependent pregnant women, abrupt withdrawal can trigger severe physical stress that may cause premature labor, fetal distress, and in extreme cases, fetal death. This is why medically supervised detoxification and transition to medication-assisted treatment is always the recommended approach.

For alcohol dependence, sudden withdrawal can cause seizures in the mother, which also puts the baby at severe risk. Any plan to stop using substances during pregnancy should be done in close consultation with a healthcare provider who is experienced in both addiction medicine and prenatal care.

How to Get Help for Drug Addiction During Pregnancy

If you or someone you know is pregnant and struggling with substance use disorder, help is available right now.

Immediate resources include:

• SAMHSA National Helpline: 1-800-662-HELP (4357) — free, confidential, 24/7. Connects you to treatment facilities and support groups. Visit SAMHSA’s Behavioral Health Treatment Services Locator
• National Drug Help Hotline: 1-800-662-4357
• Your OB-GYN or prenatal care provider, who can refer you to a specialist
• Federally Qualified Health Centers (FQHCs), which offer sliding-scale addiction treatment

When calling for help, be honest about your pregnancy. Many facilities have specialized programs for pregnant women that offer prenatal care alongside addiction treatment. Finding a substance use treatment facility that is equipped to support these specific needs and provide prenatal care can have a strong, positive influence on the outcome for both mother and baby.

The Role of Healthcare Providers and Policy

Healthcare providers play a central role in addressing drug addiction during pregnancy, but the system has significant gaps. Many healthcare providers lack training or feel uncomfortable treating perinatal mental health conditions as well as perinatal substance use disorder.

Improving outcomes requires investment at every level: better provider training, more pregnancy-specific treatment programs, expanded access to medication-assisted treatment, reduced stigma, and policies that prioritize treatment over punishment.

Research consistently shows that punitive approaches, including mandatory reporting laws and criminalizing drug use during pregnancy, drive women away from prenatal care and worsen outcomes for both mother and baby. A public health approach that treats addiction as a disease and connects women to care, rather than threatening them with incarceration, is far more effective.

For a deeper look at the clinical guidelines, the American College of Obstetricians and Gynecologists (ACOG) has published comprehensive recommendations on managing opioid use disorder during pregnancy.

Special Considerations for After Delivery

The period immediately after birth carries its own set of challenges. The mother’s risk of overdose is elevated in the weeks following delivery, particularly if she was on medication-assisted treatment and there are disruptions to her care. Studies show that the postpartum period is among the highest-risk times for relapse and overdose death.

For the baby, monitoring for neonatal abstinence syndrome continues for several days to weeks after birth. Most hospitals use standardized scoring tools to assess withdrawal severity and determine whether pharmacological treatment is needed.

On a brighter note, breastfeeding is generally encouraged for women who are stable on their addiction medications and not using illicit drugs. Breast milk provides immune benefits and helps promote bonding between mother and infant, which supports long-term recovery.

Conclusion

Drug addiction during pregnancy is a serious, complex, and deeply human problem that demands compassion, medical expertise, and access to real treatment options. The risks, including preterm birth, low birth weight, neonatal abstinence syndrome, stillbirth, birth defects, maternal health complications, and long-term developmental problems in children, are significant, but they are not inevitable. Evidence-based treatments like medication-assisted treatment, cognitive behavioral therapy, comprehensive prenatal care, and peer support have been shown to dramatically improve outcomes for both mothers and babies.

The most important step is the first one: asking for help without shame, and finding a healthcare provider or treatment program that meets both the mother and baby where they are. If you or someone you love is facing this challenge, reach out to SAMHSA’s National Helpline today at 1-800-662-HELP and take that first step toward a healthier pregnancy and a safer start to life