Every year, more than 600,000 mothers cope with some form of postpartum depression, which is different from baby blues—a moderate mood change that usually lasts less than two weeks and causes only mild feelings of vulnerability, sadness, and worry. Postpartum depression symptoms can include insomnia, appetite loss, and extreme emotional distress that is sometimes intense enough to interfere with daily life. Left untreated, postpartum depression could turn into chronic, lifelong depression. Don’t tough it out. Seek guidance, and follow these experts’ tips to help work through the pain.