[1] United Arab Emirates Univ, Fac Med & Hlth Sci, Dept Obstet & Gynaecol, Al Ain, U Arab Emirates
[2] Univ Vienna, Sch Med, Dept Obstet & Gynaecol, Vienna, Austria
[3] Univ Vienna, Sch Med, Dept Anaesthesiol, Vienna, Austria
[4] Univ Vienna, Sch Med, Dept Gynaecopathol, Vienna, Austria
[5] Al Ain Hosp, Dept Obstet & Gynaecol, Al Ain, U Arab Emirates