Evaluation of the Gravigard intrauterine copper contraceptive device.
D000293:Adolescent; D000328:Adult; D003270:Contraceptive Agents; D003300:Copper; D005069:Evaluation Studies as Topic; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007434:Intrauterine Devices / Q000009:adverse effects; D010298:Parity; D011247:Pregnancy
D003270:Contraceptive Agents; D003300:Copper