The ability of ultrasound to determine the time for harvesting preovulatory oocytes.
D000328:Adult; D006063:Chorionic Gonadotropin / Q000494:pharmacology; D002996:Clomiphene / Q000494:pharmacology; D005260:Female; D005498:Follicular Phase; D006801:Humans; D008183:Luteal Phase; D009865:Oocytes / Q000254:growth & development*; D010060:Ovulation / Q000187:drug effects; D010061:Ovulation Detection / Q000379:methods*; D011374:Progesterone / Q000097:blood; D014463:Ultrasonography
D006063:Chorionic Gonadotropin; D002996:Clomiphene; D011374:Progesterone