Use of statistical procedure to evaluate intrauterine contraception.
D005069:Evaluation Studies as Topic; D005260:Female; D006801:Humans; D007239:Infections / Q000209:etiology; D007434:Intrauterine Devices / Q000009:adverse effects; D010146:Pain / Q000209:etiology; D011247:Pregnancy; D011602:Psychophysiologic Disorders / Q000209:etiology; D013997:Time Factors; D014592:Uterine Hemorrhage / Q000209:etiology