title: [Menstrual blood loss in users of Cu 7 and TCu 220C intrauterine devices].
mesh_terms: D004717:Endometrium / Q000293:injuries; D005260:Female; D006801:Humans; D007435:Intrauterine Devices, Copper / Q000009:adverse effects; D008598:Menstruation; D013997:Time Factors; D014592:Uterine Hemorrhage / Q000209:etiology
vernacular_title: Pérdida sanguínea mestrual en usuarias de dispositivos intrauterinos Cu 7 y TCu 220C.