This is an automatically translated article.
Video content is professionally consulted by Master, Doctor Huynh Vu Khanh Linh - Department of Obstetrics and Gynecology - Vinmec Phu Quoc International General Hospital
4D fetal ultrasound, also known as 4D ultrasound, is a technique to help record moving images of the baby while in the womb. As a result, doctors and parents of the fetus can observe the morphology and structure of the fetus in a clearer and more realistic way.
During pregnancy, pregnant women can have 4D ultrasound at least 3 times in 3 time periods:
First: 11 weeks 4D ultrasound, 12 weeks or 13 weeks 4D ultrasound. This is the time to measure the nuchal translucency of the baby, helping doctors calculate the risk of Down syndrome in the fetus. In this 4D pregnancy ultrasound, the doctor can also detect some abnormalities in the fetus early. Second: 20 weeks pregnant 4d ultrasound or 22 weeks pregnant 4d ultrasound. This is a good time to examine the baby's morphology, at this time, the fetus is large enough to examine the internal and external morphology of the body. Thanks to the 4d ultrasound image of 22 weeks pregnant, the doctor will have indications for timely intervention for the baby. The time of the last 4D pregnancy ultrasound is when the pregnancy is between 30-32 weeks: This is the time when the baby has had a relatively complete development, during this period, 4D fetal ultrasound can also help detect some abnormality of the baby's late morphology. During this time, the doctor can also recognize the status of intrauterine growth retardation. This is the main cause of fetal distress, stillbirth, and asphyxia during delivery. To make it easier to remember the 4D pregnancy ultrasound schedule, mothers can remember the 12-22-32 weeks.
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