P Vieira-Baptista1, G Donders2,3. 1. Department of Obstetrics and Gynecology, Centro Hospitalar de São João, Porto, Portugal. pedrovieirabaptista@gmail.com. 2. Femicare Clinical Research for Women, Tienen, Belgium. 3. Department of Obstetrics and Gynecology, University Hospital Antwerp, Edegem, Belgium.