plus, cal fornia is confronting a potty training problem as the state expands early childhood education and transitional kindergarten. joining us live now to share some important and useful information for moms and kids, dr. yvonne maldonado, professor of pediatrics at stanford medicine. dr. maldonado, thanks for joining us. >> thank you for inviting me. >> i would love to start with this new fda approved pill. how common. but before we talk about the pill, how common is postpartum depression itself? >> well, there are pretty wide ranging estimates and a lot of people don't report. but we think as many as 1 in 8 to 1 in 10 women in the united states and globally. it's also a problem as well, clearly underreporting. so it's really quite common. and when we say that phrase, what do we mean? >> what are the symptoms associated with it? >> so postpartum depression is more than just what we think of as baby blues, where people just feel tired or they're they need a break or they're feeling inadequate because maybe their first baby or the first one in a while this is really true. depression w