This document discusses postpartum depression, including its frequency, symptoms, risk factors, and treatment. It notes that while 50-70% of women experience some negative mood changes after giving birth, termed "baby blues", 10-15% will experience postpartum depression, characterized by more severe and longer-lasting symptoms. Risk factors include a personal or family history of mood disorders and lack of social support. Treatment involves consulting a doctor, psychotherapy, medication, and maintaining a healthy lifestyle. Screening for postpartum depression is important so women at risk can get appropriate help.