[The menstrual cycle and sexual relations in users of the IUD and periodic abstinence].
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D001695:Biology; D001831:Body Temperature; D003075:Coitus; D003267:Contraception; D005193:Family Planning Services; D007434:Intrauterine Devices; D008597:Menstrual Cycle; D008598:Menstruation; D010342:Patient Acceptance of Health Care; D010827:Physiology; D011446:Prospective Studies; D012098:Reproduction; D012106:Research; D012725:Sexual Behavior