Corpus luteum adequacy in the ageing pregnant mouse.
D000367:Age Factors; D000818:Animals; D003338:Corpus Luteum / Q000187:drug effects / Q000502:physiology*; D010064:Embryo Implantation / Q000187:drug effects; D005260:Female; D005298:Fertility; D006801:Humans; D008423:Maternal Age; D051379:Mice; D008808:Mice, Inbred CBA; D011247:Pregnancy; D011270:Pregnancy, Animal; D011374:Progesterone / Q000494:pharmacology
D011374:Progesterone