Probability of Developing Postpartum Depression

Postpartum depression (PPD) affects approximately 1 in 7 new mothers (about 15%), though some studies suggest rates as high as 1 in 5 when including milder forms. PPD is distinct from the "baby blues" (which affects up to 80% of new mothers and resolves within two weeks) and involves persistent depression lasting weeks to months.

Risk factors include a history of depression or anxiety, previous PPD, stressful life events, lack of social support, complications during pregnancy or delivery, having a baby in the NICU, and difficulty breastfeeding. Hormonal changes after delivery, sleep deprivation, and the adjustment to new parenthood all contribute.

PPD can develop any time within the first year after giving birth and affects the mother, baby, and entire family. Untreated PPD is associated with impaired mother-infant bonding, delayed child development, and increased risk of maternal suicide. Treatment includes psychotherapy (particularly CBT and interpersonal therapy), antidepressant medication, and most recently, brexanolone (Zulresso) and zuranolone (Zurzuvae), the first medications specifically approved for PPD.