title: Immunoreactive relaxin in the peritoneal fluid during spontaneous menstrual cycle in women.
mesh_terms: D001202:Ascitic Fluid / Q000378:metabolism*; D003278:Contraceptives, Oral, Hormonal; D005260:Female; D006801:Humans; D008598:Menstruation; D010060:Ovulation; D011247:Pregnancy; D012065:Relaxin / Q000097:blood / Q000378:metabolism*
chemical_list: D003278:Contraceptives, Oral, Hormonal; D012065:Relaxin