aDepartment of Obstetrics and Gynecology, HCA/University of South Florida Morsani College of Medicine GME, Brandon Regional Hospital, Brandon, Florida

bDepartment of Obstetrics and Gynecology, University of Chicago, Chicago, Illinois, USA

cDivision of Endocrinology and Metabolism, Hacettepe University School of Medicine, Hacettepe, Ankara, Turkey

Correspondence to Begum Aydogan Mathyk, Department of Obstetrics and Gynecology, HCA/University of South Florida Morsani College of Medicine GME, Brandon Regional Hospital, Brandon, FL 33511, USA. Tel: +1 984 500 7583; e-mail: [email protected]