Maintenance of pregnancy in ovariectomized rats with steroid analogs and the reproductive ability of the progeny.


The quantity of and the temporal requirements for natural steroids and steroid analogs were studied over the course of pregnancy after ovariectomy. A series of experiments determined that progesterone (3 mg/day) maintains the free blastocyst and when subsequently combined with estradiol supports implantation, and pregnancy through Day 20. The amount of… (More)


  • Presentations referencing similar topics