Can the rat blastocyst survive in the absence of stimulation by the ovarian hormones?
D000818:Animals; D002369:Castration; D005260:Female; D010063:Ovum / Q000166:cytology / Q000502:physiology*; D011372:Progestins / Q000502:physiology*; D011555:Pseudopregnancy; D051381:Rats; D014599:Uterus
D011372:Progestins