Weight Gain During Pregnancy explores relationships between weight gain during prenancy and a variety of factors and places this in the context of the health of the infant and the mother. This book presents specific, updated target ranges for weight gain, including a specific range of recommended gain for obese women. This book is intended to assist practitioners who care for women of childbearing age, policy makers, educators, researchers, and pregnant women themselves to understand the role of gestational weight gain and promote optimal pregnancy outcomes.