Understanding Perinatal Mood Disorders
Recognizing and Treating Postpartum Depression
DepressionInfo SheetFree ResourceLast reviewed April 2026
Understanding Perinatal Mood Disorders
Recognizing and Treating Postpartum Depression
Understanding Perinatal Mood Disorders
Recognizing and Treating Postpartum Depression
Perinatal mood and anxiety disorders (PMADs) are the most common complication of pregnancy and the postpartum period. Depression affects up to 12.9% of women in the first postpartum year, and combined prevalence across pregnancy and the first year approaches one in five (Gavin et al., 2005). Postpartum depression (PPD) can begin during pregnancy or at any point in the year after birth: in a screening study of 10,000 new mothers, 40% of episodes began postpartum, 33% during pregnancy, and 27% before pregnancy (Wisner et al., 2013). Unlike the transient "baby blues," PPD involves persistent symptoms that interfere with daily functioning and the parent-child bond. Early identification and treatment lead to significantly better outcomes for both parent and child. If you are in crisis, call or text 988. The Postpartum Support International HelpLine is 1-800-944-4773. This sheet is the overview; companion sheets cover postpartum anxiety, postpartum OCD and intrusive thoughts, postpartum psychosis, paternal and partner depression, the EPDS screen, and warning signs for partners and family.
Common Signs and Symptoms
- Persistent depressed mood or emotional numbness Lasting sadness, tearfulness, or a sense of disconnection that persists most of the day, nearly every day, for two or more weeks.Example: A new mother finds herself crying for hours each day and feeling an emptiness she cannot explain, even when her baby is healthy and safe.
- Loss of interest or pleasure in activities A marked decrease in enjoyment of activities that were previously rewarding, including time spent with the newborn.Example: A parent who once loved reading and cooking now has no desire to do either, and going through the motions of caring for the baby feels mechanical rather than meaningful.
- Difficulty bonding with the infant Feeling detached, indifferent, or anxious around the baby. Some parents also experience intrusive, unwanted thoughts about harm coming to their child. These thoughts are extremely common, are not a sign of danger to the baby, and are covered in Understanding Postpartum OCD and Intrusive Thoughts.Example: A mother holds her newborn and feels nothing, then is overwhelmed with guilt because she expected to feel an instant connection.
- Severe fatigue and sleep disturbances Exhaustion that goes beyond typical new-parent tiredness, including difficulty sleeping even when the baby is asleep, or sleeping excessively.Example: Even when her partner takes the night feeding and the house is quiet, she lies awake for hours staring at the ceiling, unable to fall asleep despite being physically exhausted.
- Intense irritability, anxiety, or rage Heightened emotional reactivity, panic attacks, or feelings of anger that seem disproportionate to the situation. Almost two-thirds of women who screen positive for postpartum depression also have an anxiety disorder (Wisner et al., 2013); see Understanding Postpartum Anxiety.Example: A father snaps at his partner over a minor household task and then feels a wave of panic, his heart racing, when the baby starts crying.
- Feelings of worthlessness, guilt, or shame Believing you are a bad parent, feeling guilty about not experiencing joy, or shame about struggling during what others describe as a happy time.Example: She thinks, 'Everyone else seems to love being a mom. Something must be wrong with me,' and avoids telling anyone how she really feels.
- Changes in appetite and concentration Significant weight loss or gain unrelated to postpartum recovery, along with difficulty focusing, making decisions, or remembering things.Example: A parent realizes she has barely eaten all day because food holds no appeal, and she cannot remember whether she gave the baby his morning medication.
- Thoughts of self-harm or suicide Any thoughts of harming yourself or your baby require immediate professional support. Contact the 988 Suicide and Crisis Lifeline or the Postpartum Support International Helpline (1-800-944-4773).Example: A parent begins thinking her family would be better off without her. These thoughts are a sign that professional help is needed right away.
Risk Factors
- Personal or family history of depression or anxiety A prior episode of depression, bipolar disorder, or anxiety significantly increases risk, as does a family history of mood disorders.Example: A woman who was treated for depression in college may be at higher risk for developing PPD after the birth of her first child.
- Pregnancy and birth complications Preterm delivery, birth trauma, NICU stays, unplanned cesarean sections, and breastfeeding difficulties can all contribute to heightened vulnerability.Example: After an emergency cesarean and a two-week NICU stay, a mother feels lingering distress and helplessness that deepens into depression.
- Insufficient social support Low partner support, relationship conflict, social isolation, and lack of community resources are consistently associated with higher PPD rates.Example: A single parent who recently relocated to a new city has no nearby family or friends to help with the baby, leaving her feeling overwhelmed and alone.
- Psychosocial stressors Financial hardship, major life transitions, immigration status, experiences of discrimination, and stressful life events during or after pregnancy increase risk.Example: A couple dealing with job loss and mounting medical bills during the third trimester faces added strain that can increase vulnerability to PPD.
- Hormonal and biological factors The rapid drop in estrogen and progesterone following delivery, thyroid dysfunction, and sleep deprivation can all trigger depressive episodes in vulnerable individuals.Example: Within days of giving birth, a woman's hormone levels drop sharply, and when combined with weeks of fragmented sleep, these biological changes can trigger a depressive episode.
Evidence-Based Treatments
- Cognitive Behavioral Therapy (CBT) CBT helps parents identify and restructure unhelpful thought patterns related to parenthood, guilt, and self-worth. It has the strongest research support of any psychotherapy for treating and preventing perinatal depression (Sockol, 2015), and low-intensity versions delivered by community health workers, such as the World Health Organization's Thinking Healthy program, cut depression rates by more than half in a cluster-randomized trial (Rahman et al., 2008).Example: A therapist helps a new mother notice that her thought 'I'm a terrible parent' is not a fact, and guides her to consider more balanced evidence about her caregiving.
- Interpersonal Therapy (IPT) IPT focuses on improving relationships and navigating role transitions associated with new parenthood. It is one of the most well-studied treatments for perinatal depression.Example: Through IPT, a new parent works on communicating her need for help to her partner and adjusting to the shift in identity that comes with becoming a mother.
- Medication Antidepressant medications, particularly SSRIs, are effective for moderate to severe PPD. Brexanolone and zuranolone are newer FDA-approved treatments specifically designed for postpartum depression. Decisions about medication during breastfeeding should be made collaboratively with a healthcare provider.Example: After discussing options with her doctor, a mother begins a low-dose SSRI and starts to notice gradual improvement in her mood and energy over the following weeks.
- Supportive interventions Peer support groups, partner-inclusive therapy, exercise programs, and enhanced postpartum home visits have all demonstrated benefits as complementary approaches, and psychosocial programs reduce the risk of developing PPD in the first place (Dennis and Dowswell, 2013).Example: A new mother joins a weekly PPD support group and finds relief in hearing other parents describe the same struggles she has been experiencing in silence.
Important Considerations
- Why 'postpartum depression' is a description rather than a separate diagnosis The DSM-5-TR has no diagnosis called postpartum depression. Clinically it is major depressive disorder (or a bipolar depressive episode) with the specifier 'with peripartum onset,' applied when symptoms begin during pregnancy or in the four weeks after delivery; most clinicians treat onset anywhere in the first year the same way. The hormonal, physical, sleep, and social upheaval of pregnancy and birth can trigger the episode in someone who is vulnerable to it. Those factors are the precipitant. The illness itself is the same depression that occurs at any other time of life, and it responds to the same treatments.
- Baby blues vs. PPD Up to 80% of new parents experience the "baby blues" in the first two weeks postpartum, characterized by mood swings, tearfulness, and irritability. These symptoms are typically mild and resolve on their own. PPD is distinguished by greater severity, longer duration, and functional impairment.Example: Feeling teary and emotionally sensitive during the first week home is common and usually passes. If those feelings persist or worsen after two weeks, it may be PPD.
- PPD affects all parents While most research has focused on birthing mothers, postpartum depression also affects fathers and non-birthing partners at rates of approximately 8 to 10% (Paulson and Bazemore, 2010; Cameron et al., 2016). Screening and support should be available to all new parents. See Understanding Paternal and Partner Postpartum Depression and Postpartum Warning Signs: A Guide for Partners and Family.Example: A new father notices he has become withdrawn, irritable, and disconnected from the baby but hesitates to seek help because he assumes PPD only affects mothers.
- Impact on child development Untreated PPD can affect the parent-child bond and a child's cognitive, emotional, and social development. However, research consistently shows that when PPD is effectively treated, both the parent-child relationship and child outcomes improve significantly.Example: After starting treatment, a mother finds herself more responsive to her baby's cues, and over time the bond she feared would never form begins to strengthen.
- Universal screening is recommended Major medical organizations recommend routine screening for perinatal depression during pregnancy and at postpartum visits using validated tools such as the Edinburgh Postnatal Depression Scale (O'Connor et al., 2016). A cutoff of 11 or more best balances sensitivity and specificity for major depression (Levis et al., 2020). How the scale works is explained in Understanding the Edinburgh Postnatal Depression Scale (EPDS).Example: At her six-week postpartum checkup, a mother completes a brief screening questionnaire that helps her doctor identify early signs of depression before they worsen.
- Rule out bipolar disorder and psychosis In the same 10,000-mother screening study, 22.6% of women who screened positive for depression were found to have a bipolar spectrum disorder on full evaluation (Wisner et al., 2013). Ask every screen-positive parent about lifetime episodes of days without sleep while feeling energized before starting an antidepressant. Postpartum psychosis, a rare emergency affecting 1 to 2 per 1,000 births, is a separate condition covered in Understanding Postpartum Psychosis.Example: A mother scores 17 on the EPDS. Before prescribing, her provider asks about past periods of unusual energy and little sleep. She describes two, and the referral goes to a perinatal psychiatrist instead.
References
- Cameron, E. E., Sedov, I. D., and Tomfohr-Madsen, L. M. (2016). Prevalence of paternal depression in pregnancy and the postpartum: An updated meta-analysis. Journal of Affective Disorders, 206, 189-203.
- Dennis, C. L., and Dowswell, T. (2013). Psychosocial and psychological interventions for preventing postpartum depression. Cochrane Database of Systematic Reviews, 2, CD001134.
- Gavin, N. I., Gaynes, B. N., Lohr, K. N., Meltzer-Brody, S., Gartlehner, G., and Swinson, T. (2005). Perinatal depression: A systematic review of prevalence and incidence. Obstetrics and Gynecology, 106(5), 1071-1083.
- Levis, B., Negeri, Z., Sun, Y., Benedetti, A., Thombs, B. D., and the DEPRESSD EPDS Group. (2020). Accuracy of the Edinburgh Postnatal Depression Scale (EPDS) for screening to detect major depression among pregnant and postpartum women: Systematic review and meta-analysis of individual participant data. BMJ, 371, m4022.
- Meltzer-Brody, S., Colquhoun, H., Riesenberg, R., et al. (2018). Brexanolone injection in post-partum depression: Two multicentre, double-blind, randomised, placebo-controlled, phase 3 trials. Lancet, 392(10152), 1058-1070.
- O'Connor, E., Rossom, R. C., Henninger, M., Groom, H. C., and Burda, B. U. (2016). Primary care screening for and treatment of depression in pregnant and postpartum women: Evidence report and systematic review for the US Preventive Services Task Force. JAMA, 315(4), 388-406.
- Paulson, J. F., and Bazemore, S. D. (2010). Prenatal and postpartum depression in fathers and its association with maternal depression: A meta-analysis. JAMA, 303(19), 1961-1969.
- Rahman, A., Malik, A., Sikander, S., Roberts, C., and Creed, F. (2008). Cognitive behaviour therapy-based intervention by community health workers for mothers with depression and their infants in rural Pakistan: A cluster-randomised controlled trial. Lancet, 372(9642), 902-909.
- Sockol, L. E. (2015). A systematic review of the efficacy of cognitive behavioral therapy for treating and preventing perinatal depression. Journal of Affective Disorders, 177, 7-21.
- Wisner, K. L., Sit, D. K., McShea, M. C., et al. (2013). Onset timing, thoughts of self-harm, and diagnoses in postpartum women with screen-positive depression findings. JAMA Psychiatry, 70(5), 490-498.
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Common Questions
What is the Understanding Perinatal Mood Disorders worksheet?
Perinatal mood and anxiety disorders (PMADs) are the most common complication of pregnancy and the postpartum period. , 2005). , 2013). Unlike the transient "baby blues," PPD involves persistent symptoms that interfere with daily functioning and the parent-child bond.
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