A surprisingly high number of women have postpartum depression, reports a new, large-scale study of 10,000 women. A high rate of women had considered harming themselves. The study's screening likely saved several lives. Most postpartum women with depression are not identified or treated even though they are at a higher risk for psychiatric disorders. It's a major public health problem because a woman's mental health affects her child's physical and emotional development.

Source: Postpartum depression: Surprising rate of women depressed after baby