title: Effects of antiprogesterone on pregnancy. I. Midpregnancy.
mesh_terms: D000284:Administration, Oral; D000818:Animals; D004353:Drug Evaluation, Preclinical; D004958:Estradiol / Q000097:blood / Q000378:metabolism; D005260:Female; D005313:Fetal Death / Q000139:chemically induced*; D005333:Fetus / Q000187:drug effects*; D007555:Isoxazoles / Q000008:administration & dosage / Q000494:pharmacology*; D010080:Oxazoles / Q000494:pharmacology*; D011247:Pregnancy; D011263:Pregnancy Trimester, Third; D011270:Pregnancy, Animal / Q000187:drug effects*; D011374:Progesterone / Q000037:antagonists & inhibitors* / Q000097:blood / Q000378:metabolism; D011460:Prostaglandins F / Q000097:blood / Q000378:metabolism; D011863:Radioimmunoassay; D051381:Rats; D014599:Uterus / Q000378:metabolism
chemical_list: D007555:Isoxazoles; D010080:Oxazoles; D011460:Prostaglandins F; D011374:Progesterone; D004958:Estradiol