This completely updated Sixth Edition reflects the growth of reproductive biology and medicine. While adhering to the style and relevance of the first edition, the editors set out to provide the latest information and research on reproductive physiology, contraception, infertility, and clinical endocrinology. Heavy emphasis is also placed on progestins and hormone administration and therapy within several chapters of the text. Comprehensive, relevant, and highly informative, this edition truly lends itself to the improvement of patient care in the field of clinical reproductive endocrinology.