4D ultrasound is mainly used to screen pregnant women for fetal developmental malformations. Compared with normal ultrasound, 4D ultrasound is relatively clearer and more comprehensive, mainly because it can see the dynamic activities of the fetus, and basically, it can see whether there are any abnormalities in the fetal surface and internal structures, especially whether there are fatal malformations, such as whether there are serious heart malformations, various types of congenital The test can be performed for severe cardiac anomalies, congenital heart disease, open spina bifida, internal organ defects, etc. In addition, if the child has some other minor malformations, basically, they can also be detected by 4D ultrasound, such as whether there are missing fingers or toes, or whether there is cleft lip and palate, which can be detected by 4D ultrasound. However, there are certain errors in 4D ultrasound, and it is not 100% accurate. Generally, the best time to have 4D ultrasound examination is between 22-26 weeks of pregnancy. |Suggestion