title: Effects of pregnancy on the maintenance of maternal behavior in the rat.
mesh_terms: D000220:Adaptation, Biological; D000818:Animals; D002585:Cesarean Section; D005260:Female; D007774:Lactation; D008425:Maternal Behavior; D011247:Pregnancy; D011270:Pregnancy, Animal; D011374:Progesterone / Q000502:physiology; D051381:Rats
chemical_list: D011374:Progesterone