The intrauterine device. Contraceptive or abortifacient?
D000022:Abortion, Spontaneous / Q000209:etiology; D002908:Chronic Disease; D003267:Contraception; D010064:Embryo Implantation; D004717:Endometrium / Q000502:physiology; D005187:Fallopian Tubes / Q000502:physiology; D005260:Female; D005306:Fertilization; D006801:Humans; D007434:Intrauterine Devices / Q000009:adverse effects / Q000145:classification*; D008297:Male; D008598:Menstruation; D010060:Ovulation; D010587:Phagocytosis; D011247:Pregnancy; D013075:Sperm Capacitation; D014591:Uterine Diseases / Q000209:etiology