title: Principles of family planning for Roman Catholics.
mesh_terms: D001831:Body Temperature; D002410:Catholicism; D004967:Estrogens / Q000008:administration & dosage; D005193:Family Planning Services; D005260:Female; D006801:Humans; D008297:Male; D008598:Menstruation; D009093:Mucus; D011372:Progestins / Q000008:administration & dosage; D014621:Vagina
chemical_list: D004967:Estrogens; D011372:Progestins