title: Physicians help make rhythm work.
mesh_terms: D001831:Body Temperature; D002582:Cervix Mucus / Q000502:physiology; D002584:Cervix Uteri / Q000502:physiology; D005260:Female; D006266:Health Education; D006801:Humans; D008598:Menstruation; D012252:Natural Family Planning Methods; D012736:Sex Education