Obstetrics and gynecology is a medical field encompassing the subspecialties of gynecology and obstetrics. Gynecology is concerned with the overall health of the female reproductive system, including the uterus, vagina and the ovaries, while obstetrics is concerned with pregnancy, childbirth and the postpartum period. Practitioners of this field are adept at the care and management of pregnancy as well as the female reproductive organs. Some of the specialties of this discipline are reproductive endocrinology and infertility, maternal-fetal medicine, female pelvic medicine and reconstructive surgery, pediatric and adolescent gynecology, etc. This book unravels the recent studies in the field of obstetrics and gynecology. It will also provide interesting topics for research, which interested readers can take up. It is appropriate for students seeking detailed information in this area as well as for experts.