Evaluation of Lippes loop in planned parenthood. Present status.
D000328:Adult; D000367:Age Factors; D005193:Family Planning Services; D005260:Female; D006801:Humans; D007434:Intrauterine Devices / Q000009:adverse effects; D009519:New York City; D011247:Pregnancy; D011795:Surveys and Questionnaires; D014626:Vaginal Smears