Myth1 Ultrasounds are not safe during pregnancy? Answer1 Ultrasounds are absolutely safe during pregnancy . Myth2 You should not do many ultrasounds during pregnancy Answer2 You can do as many ultrasound during pregnancy however we always try to do as minimum as possible .The number of ultrasound is case based though 5 ultrasound is standard: Dating scan Nuchal scan Level2 scan Fetal echo Color Doppler fetal well being Myth3 The 3d 4d 5d ultrasound are not safe during pregnancy Answer3 3d 4d5d ultrasounds are absolutely safe.The probe and processor in machine are different though same ultrasound sound waves are used and it is mainly software/processing that is different.