[Ultrasonic diagnosis of intrauterine devices (author's transl)].
D000650:Amnion; D005260:Female; D005865:Gestational Age; D006801:Humans; D007434:Intrauterine Devices / Q000009:adverse effects*; D011247:Pregnancy; D011248:Pregnancy Complications / Q000175:diagnosis*; D014463:Ultrasonography