B-ultrasound is an examination that many people need to do. Through B-ultrasound, various health problems in the human body can be checked. Of course, for pregnant women, B-ultrasound can also provide a good understanding of the baby's development. If a pregnant woman wants to do an ultrasound, she needs to drink water and hold her urine. Once she feels the urge to urinate, she can do the ultrasound. Next, I will introduce you to some relevant knowledge about B-ultrasound examination! 1. Can I eat and drink before doing B-ultrasound? This depends on what kind of B-ultrasound you are having. You can eat before an obstetric abdominal B-ultrasound and it will not affect the results. If you are having a digestive system B-ultrasound, you must fast for 8 hours. An abdominal ultrasound examination in early pregnancy requires holding urine, while an ultrasound examination in late pregnancy does not require holding urine, but you can drink water. 2. What kind of B-ultrasound needs to drink water? There are two types of B-ultrasound for early pregnancy examinations in hospitals now, transabdominal and transvaginal. Transabdominal B-ultrasound requires holding urine and having enough urine to examine more clearly, otherwise it will not show anything. Therefore, you should drink as much water as possible before the B-ultrasound. Another type of B-ultrasound is the vaginal B-ultrasound. You don’t need to hold your urine when doing a vaginal B-ultrasound. You just need to empty your bladder before the procedure. Therefore, you can also drink water before doing a vaginal B-ultrasound. 3. What is the difference between color ultrasound and B-ultrasound? B-ultrasound examination can not only locate the placenta and measure amniotic fluid, but also make early diagnosis of single or multiple births, fetal development, and whether there are any deformities or hydatidiform mole. Color ultrasound is actually a high-definition black and white B-ultrasound plus color Doppler. It has the advantages of two-dimensional ultrasound structural images and at the same time provides rich information on hemodynamics. Ordinary B-ultrasound is like a black and white photo, color B-ultrasound is like a color photo, and three-dimensional B-ultrasound is like a VCR shot by a camera. Four-dimensional B-ultrasound adds the time dimension parameter to the three-dimensional B-ultrasound, which can observe the dynamic activity images of the fetus in real time. Ordinary B-ultrasound and color B-ultrasound only show a plane, while three-dimensional B-ultrasound and four-dimensional B-ultrasound show a three-dimensional image of the fetus, which can show the front, back, left, right, top and bottom of the fetus, which is more comprehensive, real and clear. Generally speaking, the radiation from color ultrasound is greater than that from black and white B-ultrasound. In the early stages of pregnancy, doctors generally choose to perform black and white B-ultrasound on pregnant women to determine the status of the fetus. In the second trimester, color Doppler ultrasound is done to observe the blood flow of the fetus, to see whether the fetus has any major malformations, and to detect fetal abnormalities in a timely manner. |
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