people haven't been listening. >> she's been so open about this. i mean, it's not just this instagram post and not just what she said at wimbledon. she has -- this entire hbo series, "being serena." she's been open about it. i mean, elizabeth, as a mother of four for you, as a medical expert the way you are, are things changing? is this a moment of real change where women and moms feel like they can confront this head on, be listened to, heard, and helped? >> i think it is. i think it's important. i think there are limitations to this reveal. you know, brooke shields revealed her postpartum depression more than ten years ago. and have things gotten better, yes. but i'll give you a sobering statistic from the centers for disease control, that nearly 60% of women with symptoms of postpartum depression don't get a diagnosis of postpartum depression. 60%. once women get a diagnosis, 50% don't get treatment. that's a real problem. 50% of women with this diagnosis don't get a treatment. i'll tell you, we are great in this country at screening for,