About the Author Heidi Murkoff is the author of the What to Expect® series of pregnancy and parenting books with over 38 million copies in print. She is also the creator of WhatToExpect.com and the WhatToExpect app, which reach over 18 million expecting and new parents, and the What to Expect Foundation, a nonprofit organization dedicated to helping at-risk moms around the world expect healthier pregnancies, safer deliveries, and healthy, happy babies. Read more
