My daughter-in-law also wants to go to Chongqing for four-dimensional color Doppler ultrasound, so she has to make an appointment in advance!
Four-dimensional color ultrasonic diagnostic instrument is the most advanced color ultrasonic equipment in the world. As a result, it can display real-time dynamic moving images of your unborn baby or other human internal organs. Four-dimensional color Doppler ultrasound can know the sex of the fetus, and sex identification is prohibited in China.
minimum duration
The best time to do four-dimensional color Doppler ultrasound varies from person to person, and the results will be different with different needs.
Generally speaking, pregnancy can be divided into three stages: first trimester (1 -3 months), second trimester (April-June) and third trimester (July-September). The effects of four-dimensional color Doppler ultrasound in these three periods are also different.
The best time to do four-dimensional color Doppler ultrasound is 5-7 months (20-28 weeks) of pregnancy, because the limbs and main organs of the fetus have all developed during this period, and amniotic fluid is more suitable for fetal malformation screening. However, due to the individual differences of pregnant women, the specific time of the individual should also contact the doctor and follow the doctor's advice.
1. Take a picture of the baby's whole body: At this time, you can choose to do four-dimensional color Doppler ultrasound in the first trimester. At this time, the baby is still young, and you can take pictures of the baby's whole body through the instrument. It is worth reminding that it is not recommended to do four-dimensional color Doppler ultrasound in June 5438+0-February. It is controversial to do four-dimensional color Doppler ultrasound during this pregnancy.
2. In order to check the baby's external defects: At this time, you can choose to do four-dimensional color Doppler ultrasound in the second or third trimester. At this time, the baby's body has developed to a certain extent, and it is impossible to take pictures of the baby's whole body, but the shape of a certain part of the baby can be observed.