Book excerpt: Obesity and Gynecology, Second Edition, presents updated chapters on a variety of topics, ranging from adolescent obesity, contraception, assisted reproduction and sexual dysfunction, to bariatric surgery and improving semen parameters. The prevalence of obesity in men and women continues to dramatically increase around the world. Obesity presents specific challenges in relation to male and female infertility and general gynecology. Patients who are obese require specific considerations and knowledge. - Presents an essential reference on the significant risks of obesity related to contraception, male and female infertility, and general gynecology - Builds foundational knowledge, showing how obesity relates to general gynecology, including menstrual disorders, breasts cancer, menopause and sexual dysfunction - Assembles critically evaluated chapters that focus on obesity and gynecology to meet the practical needs of gynecologists, endocrinologists and general practitioners