title: The effect of progesterone on rat blastocyst viability during prolonged delay in implantation.
mesh_terms: D000818:Animals; D010064:Embryo Implantation; D005314:Embryonic and Fetal Development; D005260:Female; D008297:Male; D010053:Ovary / Q000502:physiology; D010063:Ovum / Q000187:drug effects*; D011247:Pregnancy; D011374:Progesterone / Q000008:administration & dosage / Q000494:pharmacology*; D051381:Rats; D013997:Time Factors
chemical_list: D011374:Progesterone