A Ludwin1,2, W P Martins3, I Ludwin1,2. 1. Department of Gynecology and Oncology, Jagiellonian University, Krakow, Poland. 2. Ludwin & Ludwin Gynecology, Private Medical Center, Krakow, Poland. 3. Department of Obstetrics and Gynecology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, São Paulo, Brazil.