1. Department of Obstetrics and Gynaecology Faculty of Medicine in Pilsen Charles University Pilsen Czech Republic
2. Biomedical Centre Faculty of Medicine in Pilsen Charles University Pilsen Czech Republic
3. Department of Obstetrics and Gynaecology University Hospital Pilsen Czech Republic
4. Maternal‐Fetal Medicine Unit Department of Obstetrics and Gynaecology Cairo University Cairo Egypt