title: [Changes in the menstrual cycle parameters with prolonged use of an intrauterine device for contraceptive purposes].
mesh_terms: D000328:Adult; D000367:Age Factors; D005260:Female; D006801:Humans; D007434:Intrauterine Devices / Q000009:adverse effects*; D008598:Menstruation; D010507:Periodicity; D013997:Time Factors
vernacular_title: Izmeneniia v niakoi parametri na menstrualniia tsikŭl pri prodŭlzhitelno izpolzuvane na vŭtrematochen pesar s kontratseptivna tsel.