[1] Perinatol Univ Hosp, Dept Obstet, PL-30551 Krakow, Poland
[2] Higen Ctr Med, PL-30552 Krakow, Poland
[3] Jagiellonian Univ Med Coll, Dept Obstet & Perinatol, PL-30551 Krakow, Poland
[4] Univ Hosp, Clin Dept Gynecol Endocrinol & Gynecol, PL-30551 Krakow, Poland
[5] Polish Mothers Mem Hosp Res Inst, Dept Genet, PL-93338 Lodz, Poland
[6] Med Univ Lublin, Dept Obstet & Pathol Pregnancy, PL-20081 Lublin, Poland
[7] Med Univ Silesia, Dept Gynecol Obstet & Gynecol Oncol, PL-40055 Katowice, Poland
[8] Independent Publ Hlth Care Facil Bl Marta Wiecka C, Obstet & Gynecol Ward, PL-32700 Bochnia, Poland
[9] Prov Combined Hosp Kielce, Clin Obstet & Gynecol, PL-25736 Kielce, Poland
[10] Med Univ Warsaw, Dept Obstet Perinatol & Gynecol, PL-02091 Warsaw, Poland
[11] Polish Mothers Mem Hosp Res Inst, Dept Perinatol Obstet & Gynecol, PL-93338 Lodz, Poland
[12] Med Univ Lodz, Dept Gynecol & Obstet, PL-93338 Lodz, Poland
[13] Salve Med, PL-91210 Lodz, Poland