Vera Mourinha1, Sara Costa2, Cecília Urzal2, Fernando Guerreiro2. 1. Department of Gynecology and Obstetrics, Centro Hospitalar do Algarve-Faro, Faro, Portugal. 2. Department of Gynecology and Obstetrics, Centro Hospitalar do Algarve-Portimão, Portimão, Portugal.