1. Ventriculomegaly -- 2. Intracranial cysts -- 3. Abnormal skull shape -- 4. Facial clefts -- 5. Absent nasal bones -- 6. Micrognathia -- 7. Chest tumours -- 8. Chest fluid -- 9. Dextrocardia -- 10. Abnormal four-chamber view -- 11. Anterior abdominal wall defect -- 12. Abdominal cysts -- 13. Abdominal echogenicity -- 14. Empty renal fossa -- 15. Cystic kidney -- 16. Fluid filled kidney -- 17. Abnormal bladder -- 18. Short femur length -- 19. Joint abnormalities -- 20. Hand abnormalities -- 21. Spinal abnormalities -- 22. Head and neck masses -- 23. Increased nuchal translucency -- 24. Placental abnormalities -- 25. Single umbilical artery -- 26. Oligohydramnios -- 27. Polyhydramnios -- 28. Amniotic shelf/band -- 29. Hydrops -- 30. Small fetus -- 31. Twin-twin transfusion syndrome.