[1] Aristotle Univ Thessaloniki, Med Sch Hlth Sci, Dept Obstet & Gynecol 1, Unit Reprod Endocrinol, Thessaloniki, Greece
[2] Ethnikon & Kapodistriakon Univ Athens, Aretaie Univ Hosp, Med Sch Athens, Unit Endocrinol Diabet Mellitus & Metab, Athens, Greece
[3] Int Hellen Univ Greece, Dept Midwifery, Thessaloniki, Sindos, Greece
[4] Univ Western Macedonia, Sch Healthcare Sci, Dept Midwifery, Thessaloniki, Greece
[5] Papageorgiou Gen Hosp, Dept Obstet & Gynecol 1, Unit Reprod Endocrinol, Ring Rd, Thessaloniki 54601, Greece