Some female friends have some psychological resistance to B-ultrasound after pregnancy, Afraid that B-ultrasound will have a bad effect on the embryo. In fact, there is no need to worry, B-ultrasound in early pregnancy will not have adverse effects on embryos, On the contrary, there are many advantages. Take a look: Is the embryo in or out of the uterus? There are now about 2-3 ectopic pregnancies in every 100 pregnant women. Once missed diagnosis, the consequences are unimaginable. Second look: is it one, two or three embryos. Twins and multiple births are not only double and multiple surprises, but also great risks and troubles. If it is twins and multiple births, chorionic sex should also be judged, because chorionic Read More …