title: A study of the intrauterine contraceptive device with and without an extracervical appendage or tail.
mesh_terms: D000328:Adult; D001419:Bacteria / Q000302:isolation & purification; D002277:Carcinoma / Q000209:etiology; D004717:Endometrium / Q000382:microbiology; D005260:Female; D006801:Humans; D007239:Infections / Q000209:etiology; D007434:Intrauterine Devices / Q000009:adverse effects; D007973:Leukorrhea / Q000209:etiology; D008599:Menstruation Disturbances / Q000209:etiology; D010146:Pain / Q000209:etiology; D000292:Pelvic Inflammatory Disease / Q000209:etiology; D002583:Uterine Cervical Neoplasms / Q000209:etiology; D014591:Uterine Diseases / Q000209:etiology; D014592:Uterine Hemorrhage / Q000209:etiology; D014599:Uterus / Q000293:injuries; D014626:Vaginal Smears