title: Modified insertion techniques for copper 7, copper T and progestasert intrauterine contraceptive devices.
mesh_terms: D003300:Copper; D005260:Female; D006801:Humans; D007434:Intrauterine Devices / Q000295:instrumentation*; D007436:Intrauterine Devices, Medicated / Q000295:instrumentation; D008722:Methods; D011374:Progesterone
chemical_list: D011374:Progesterone; D003300:Copper