During pregnancy, pregnant women should have an ultrasound examination, which is for the health of the pregnant woman herself as well as the fetus to understand. So, ultrasound examination on the fetus has radiation? The next let small make up for everyone detailed introduction to the ultrasound examination on the fetus have radiation, take a look at it.
Does ultrasound have radiation on the fetus
An ultrasound is a common means of examination during pregnancy, and the entire medical procedure is a B-mode ultrasound.Ultrasound is a non-invasive and painless method of examination. Ultrasound is a mechanical wave that produces only thermal energy, and the time taken to perform an ultrasound is usually no more than 10 minutes, with sound energy control all within safe limits. For the mother-to-be, as long as the number of ultrasound examination is normal, there is no effect on the baby.
How many ultrasounds should be done during pregnancy
The doctor will usually ask the pregnant woman to have 3 ultrasounds. All these 3 ultrasounds are useful to be able to detect serious malformations of the baby's shape and organs so that early measures can be taken. First ultrasound: 12-16 weeks of pregnancy. It can detect whether the mother-to-be is pregnant with a single or multiple fetus, whether she is pregnant in the uterus or not, and can observe the development of the fetus. Second ultrasound: 20-25 weeks of pregnancy. To find out the growth and development of the fetus, and to observe the position of the fetus and the amount of amniotic fluid. At this time, it is possible to find out early whether the fetus baby has limb deformities, cleft lip and palate deformities, and so on.
Third ultrasound: 37-40 weeks of pregnancy. This ultrasound is very important as it observes the fetal position, size of the fetus as well as the maturity of the placenta, the presence or absence of umbilical cord around the neck and other problems, conducts the final assessment before delivery, and makes the best prenatal preparations.
Preparation and precautions for ultrasound
1, half an hour to an hour before the examination you need to drink about 1,000 milliliters of water, and hold your urine to the maximum. Because only when the bladder is full to a certain extent, the uterus can be squeezed from the depths of the pelvis to the lower abdomen, and then the uterus and ovaries can be observed with ultrasound. Therefore, it is best for the mom-to-be to carry a water bottle with her.
2. If you are constipated, you should empty your bowels in advance in the morning or the night before, so as not to affect the examination.