Pregnant women how many weeks according to the four-dimensional is very good

Pregnant women in 24 to 28 weeks of pregnancy to do four-dimensional color ultrasound is the best time, you can understand the development of the fetus. After thinking color ultrasound, you can see the development of fetal limbs, visceral development is good, is the best time to screen for abnormalities through amniotic fluid. once anything abnormal, be sure to do a thorough test to prevent unnecessary trouble. At the same time, according to the doctor's advice in the prescribed time for prenatal check-up, can effectively prevent the performance of fetal development abnormalities. Therefore, pregnant women should be arranged in accordance with the doctor's time to do on time.