Maternal obesity is associated with neonatal death, elective preterm delivery or delivery of a baby with an extremely low birth weight. Babies surviving such odds are often seen to have severe neurodevelopmental impairments. Maternal obesity has severe impacts on offspring development such as congenital anomalies, diabetes, etc. There are various ways to regulate obesity during pregnancy, such as by altering diet and exercising regularly. A healthy and well-balanced diet during pregnancy is necessary for a healthy pregnancy. Gastric bypass surgery is a common intervention to curb appetite and control body weight. The aim of this book is to present researches that have transformed our understanding of obesity and its impact on pregnancy. Some of the diverse topics covered herein address the varied management strategies of obesity during gestation. For all readers who are interested in obstetrics, the case studies included in this book will serve as an excellent guide to develop a comprehensive understanding.