Developments in the investigation and treatment of infertility

In vitro fertilization and embryo transfer [IVF-ET] is the single most exciting recent development in the understanding and treatment of human infertility. The present status of IVF-ET is described The development of the IVF-ET techniques has inspired improvements of many investigational and therapeutic procedures, which may be equally useful in the treatment of infertility. Some of these procedures are described: ultrasonic examination of follicular and endometrial development intrauterine and intraperitoneal insemination, treatment with GnRH agonists, microfertilization, oocyte- and embryo-freezing, and gamete intra-fallopian transfer [GIFT]