J F van Uem

Recently potent 19-norprogestin derivatives of the RU 486-type were developed. Acting at the receptor level, these steroids are considered a major breakthrough in steroid endocrinology. Clinical studies indicate their potential use in ferti…

Thirty-nine cycles were studied in patients with a history of endometriosis who went through in vitro fertilization. In 15 cycles, there was no evidence of endometriosis; in 10 cycles, the patients had mild or moderate disease; in 14 cycles…