A method for the direct observation of ovulation inhibition in the mature rat.
D000818:Animals; D004396:Coloring Agents; D003338:Corpus Luteum / Q000254:growth & development; D004997:Ethinyl Estradiol / Q000494:pharmacology; D005260:Female; D007274:Injections, Intraperitoneal; D008535:Megestrol / Q000494:pharmacology; D010060:Ovulation / Q000187:drug effects*; D011247:Pregnancy; D011270:Pregnancy, Animal / Q000187:drug effects; D011372:Progestins / Q000494:pharmacology; D051381:Rats; D013194:Staining and Labeling
D004396:Coloring Agents; D011372:Progestins; D004997:Ethinyl Estradiol; D008535:Megestrol