¹Pronatal Hospital Serbia, DIU Croatia, International Academy of Sciences and Arts of Bosnia and Herzegovina

²University Clinical Center of Serbia, Department of Therapeutic Apheresis, Serbia

³Institute of Public Health of Serbia “Dr Milan Jovanovic Batut“, Serbia

⁴Faculty of Medicine, University of Belgrade, Clinic of Endocrinology, Diabetes and Diseases of Metabolism, National Center for Infertility and Endocrinology of Gender, University Clinical Center, Serbia

*Corresponding author:Aleksandar Ljubić and Svetlana Vujović, Pronatal Hospital Serbia, DIU Croatia, International Academy of Sciences and Arts of Bosnia and Herzegovina and Faculty of Medicine, University of Belgrade, Clinic of Endocrinology, Diabetes and Diseases of Metabolism, National Center for Infertility and Endocrinology of Gender, University Clinical Center, Serbia