This is a further (eighteenth) volume in the definitive international review series in obstetrics and gynecology, with contributions from leading clinicians from around the world covering topics of current importance and relevance in the field. Established review series covering the latest and most important topics in the field of obstetrics and gynecology. International line-up of contributors. Provides excellent method of keeping up to date for clinicians. Serves as topical review for trainees preparing for professional examinations.