Each of the 6 units of PROLOG addresses a major area in obstetrics and gynecology and consists of two parts—an assessment book and a critique book. Put your knowledge to the test and earn 25 CME credits for this volume! On completion, users of this unit should be able to: Screen with appropriate diagnostic tests for endocrinology and infertility conditions Determine the appropriate medical management to address infertility Understand the hypothalamic-pituitary-ovarian-uterine axis Apply concepts of the hypothalamic-pituitary-ovarian-uterine axis when considering medical therapy Understand the basics of assisted reproductive technology Counsel women regarding treatment options for primary and secondary amenorrhea and infertility