[1] Primary Hlth Care Corp, Doha, Qatar
[2] Univ Bisha, Coll Med, Dept Obstet & Gynaecol, Bisha, Saudi Arabia
[3] Univ Gezira, Fac Med, Dept Obstet & Gynaecol, Medani, Sudan
[4] Bakht Er Ruda Univ, Fac Sci, Dept Chem, Ad Douiem, Sudan
[5] Univ Bisha, Coll Med, Dept Pediat, Bisha, Saudi Arabia
[6] Univ Bisha, Dept Obstet & Gynaecol, POB 1290, Bisha 61922, Saudi Arabia
[7] Univ Bisha, Coll Med, Chair Community Based Med Educ Unit, POB 1290, Bisha 61922, Saudi Arabia