1. Obstetrical & Gynecological Ultrasound Unit, Department of Obstetrics and Gynecology, Meir Medical Center, Kfar Saba 4428164, Israel
2. Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 6997801, Israel
3. Department of Neonatology, Meir Medical Center, 4428163 Kfar Saba, Israel
4. High Risk Pregnancy Unit, Department of Obstetrics and Gynecology, Meir Medical Center, Kfar Saba 4428164, Israel