title: Chronoperiodicity in response to the intra-amniotic injection of prostaglandin F2alpha.
mesh_terms: D000028:Abortion, Induced; D000650:Amnion; D002940:Circadian Rhythm; D005260:Female; D006801:Humans; D007267:Injections; D010298:Parity; D011247:Pregnancy; D011262:Pregnancy Trimester, Second; D011460:Prostaglandins F / Q000008:administration & dosage / Q000627:therapeutic use*
chemical_list: D011460:Prostaglandins F