title: Copulatory behavior of male rats paired with natural proestrous and hormone-treated ovariectomized females.
abstract: The male's sexual behavior paired with estrogen-progesterone primed induced ovariectomized receptive females was compared with natural proestrous females. The former showed longer ejaculation latency and more intromissions to the first ejaculation than the latter.
mesh_terms: D000818:Animals; D003307:Copulation; D004958:Estradiol / Q000494:pharmacology; D005260:Female; D008297:Male; D010052:Ovariectomy; D011359:Proestrus; D011374:Progesterone / Q000494:pharmacology; D051381:Rats; D011919:Rats, Inbred Strains / Q000502:physiology*; D012726:Sexual Behavior, Animal
chemical_list: D011374:Progesterone; D004958:Estradiol