PSIDepression during and after pregnancy occur more often than most people realize. Approximately 15% of women experience significant depression following childbirth. The percentages are even higher for women who are also dealing with poverty, and can be twice as high for teen parents. Ten percent of women experience depression in pregnancy. In fact, perinatal depression is the most common complication of childbirth. To learn more and connect with experts, go to the Postpartum Support International website.