title: The role of estradiol 17  in the activation of the uterus during premature labor and the effect of Naproxen, an inhibitor of prostaglandin synthesis.
mesh_terms: D000818:Animals; D001835:Body Weight; D003864:Depression, Chemical; D004958:Estradiol / Q000008:administration & dosage / Q000494:pharmacology*; D005260:Female; D005333:Fetus / Q000187:drug effects; D005865:Gestational Age; D007273:Injections, Intramuscular; D007743:Labor, Obstetric / Q000187:drug effects*; D009281:Naphthalenes / Q000494:pharmacology; D007752:Obstetric Labor, Premature; D009929:Organ Size; D010053:Ovary / Q000502:physiology; D010920:Placenta / Q000033:anatomy & histology; D011247:Pregnancy; D011422:Propionates / Q000494:pharmacology*; D051381:Rats; D013268:Stimulation, Chemical; D013997:Time Factors; D014599:Uterus / Q000187:drug effects
chemical_list: D009281:Naphthalenes; D011422:Propionates; D004958:Estradiol