1Departments of Genetics, İzmir Dr. E. Hayri Üstündağ Maternity Hospital, İzmir, Turkey 2Department of Pathology, İzmir Dr. Behçet Uz Childrens Hospital, İzmir, Turkey 3Department of Genetics, Ankara Dr. Zekai Tahir Burak Maternity Hospital, Ankara, Turkey 4Departments of Gynecology/Obstetrics, İzmir Dr. E. Hayri Üstündağ Maternity Hospital, İzmir, Turkey 5Departments of Radiology, İzmir Dr. E. Hayri Üstündağ Maternity Hospital, İzmir, Turkey