During pregnancy, b-ultrasonography not at liberty to do

Some hospitals to mother of b-ultrasonography in obstetrics and Gynecology at the same time, use of b-ultrasound technology to the fetus \"portrait\". Although many keen to put the fetus of pregnant women look like photographed left to do, and they also worried that this would affect the development of the fetus.

Beijing maternity hospital obstetric physician Qi Wang, said: \"influence of b-ultrasound on fetus is very limited, and b-ultrasonography is also a necessary means of prenatal screening. If the calf \' photo \' is doing b timed out by the way, that does not produce adverse effects. But if was taken to the fetus \' portrait \' specially made a b-, and for a long time, the mother to be seriously considered. Research shows that doing b-better not more than three times during pregnancy. ”

Director Wang said: \"Although b-ultrasonography in pregnancy is very necessary, but does not demonstrate that can be done. Studies have shown that improper b-ultrasonography could damage the central nervous system of the fetus. If b-ultrasonography for too long, probes have heating, also have adverse effects on the fetus. Therefore, pregnant women should be under the medical recommendations, appropriate b-check at the right time, and the number should not be too much. ”