Fetal weight and intrauterine position in rats.
D000818:Animals; D001835:Body Weight; D010064:Embryo Implantation; D005260:Female; D005333:Fetus / Q000002:abnormalities*; D011247:Pregnancy; D011270:Pregnancy, Animal; D011272:Pregnancy, Multiple; D051381:Rats; D014599:Uterus