The popularity of Principles and Practice of Obstetrics and Gynecology for Postgraduates has resulted in a fourth edition. In the rapidly advancing field of obstetrics and gynecology, new techniques, new treatments and modifications are happening rapidly. A postgraduate student has to read many references, journals, Internet updates to keep abreast with all the rapid changes. This comprehensive multi contributor book provides an in-depth, researched write-up on all the issues of obstetrics and gynecology.