Three B-ultrasounds in two months of pregnancy 28-year-old Li Yu had three B-ultrasounds in more than two months of pregnancy: the first time was because he was worried that the embryo was not in the womb, the second time was to know if there was a fetal heartbeat, and the third time It is to confirm whether the fetus is healthy. normal development. In fact, I am also very confused. Li Yu said helplessly that even if she didn’t have any symptoms, she was still very worried.