This volume reviews new clinical advances in reproductive medicine that will be of practical interest to the obstetrician and gynaecologist. Amongst the many subjects covered are: the avoidance of bleeding with ERT, whether bone density can be increased with estrogen therapy, the actions of estrogens and progesterones on lipids, the pathogenesis of dysfunctional uterine bleeding, ultrasound and fertility, non-surgical tubal gamete embryo transfer and indications for treatment of endometriosis. This volume draws on contributions from leading clinicians in a number of different countries, and provides an overview and assessment of many therapeutic issues of considerable current importance and debate.