1. Obstetrics and Gynecology Ultrasound Unit, Bnai‐Zion Medical Center Haifa Israel
2. Rappaport Faculty of Medicine Technion‐Israel Institute of Technology Haifa Israel
3. Department of Obstetrics and Gynecology Carmel Medical Center Haifa Israel
4. Department of Obstetrics and Gynecology Bnai‐Zion Medical Center Haifa Israel
5. Department of Pathology Bnai‐Zion Medical Center Haifa Israel