title: [Effect of pregnancy and sex hormones on uterine contractions].
mesh_terms: D000200:Action Potentials; D000818:Animals; D005260:Female; D012739:Gonadal Steroid Hormones / Q000494:pharmacology / Q000502:physiology*; D006801:Humans; D009119:Muscle Contraction / Q000187:drug effects / Q000502:physiology*; D011247:Pregnancy / Q000502:physiology*; D011817:Rabbits; D051381:Rats; D014599:Uterus / Q000502:physiology*
chemical_list: D012739:Gonadal Steroid Hormones