[1] Univ Ghent, Dept Med, Fac Med & Hlth Sci, Ghent, Belgium
[2] Ghent Univ Hosp, Dept Obstet & Gynaecol, De Pintelaan 185, B-9000 Ghent, Belgium
[3] Ghent Univ Hosp, Ctr Sexual & Gender, Ghent, Belgium
[4] Ziekenhuis Oost Limburg, Dept Obstet & Gynaecol, Genk, Belgium