Patient's question:
NoDoctor's answer:
The facility can perform 4D ultrasound, but it must be emphasized that there is currently controversy regarding the use of 4D ultrasound in the early pregnancy stage (before 12 weeks of gestation). For safety reasons, it is recommended to perform fetal 4D ultrasound after 16 weeks of pregnancy. After 18 weeks of gestation, the limbs and major organs of the fetus are fully developed. The best time to perform 4D ultrasound is between 22 and 28 weeks of pregnancy, as the amniotic fluid volume is more suitable for fetal anomaly screening.