If you've recently had a baby and aren't feeling like yourself, you're not alone. As many as 15 to 20% of new moms experience changes in mood that make taking care themselves and their new babies a struggle. Bringing a new baby home-whether it's your first or your third child-will naturally create some upheaval and stress, even in the best of circumstances. But if you're noticing significant changes in your mood past the first several weeks postpartum, it could be more than the “baby blues”.