Intrauterine chemical release.
D002582:Cervix Mucus / Q000187:drug effects; D003300:Copper / Q000008:administration & dosage / Q000494:pharmacology; D003692:Delayed-Action Preparations; D004717:Endometrium / Q000187:drug effects; D005260:Female; D006801:Humans; D007434:Intrauterine Devices; D010060:Ovulation / Q000187:drug effects; D011374:Progesterone / Q000008:administration & dosage* / Q000494:pharmacology; D014599:Uterus / Q000187:drug effects
D003692:Delayed-Action Preparations; D011374:Progesterone; D003300:Copper