What Can B-mode Ultrasound Find out Guidance: B-mode ultrasonography is one of the most inspection. important The ultrasonography in items in production purpose of different stages B-mode is also different. B-mode ultrasonography is one of the most important items in obstetric examination. The purpose of B-mode ultrasonography in different stages is different. The B-mode ultrasonography in the second trimester has the following five functions, so we must not miss the B-mode ultrasonography in the second trimester. 1. See if the growth and development of the baby is in line with the gestational age.The biparietal diameter measured by biparietal diameter of B-mode the fetus can ultrasonography. refers to the be The distance between the two parietal bones of the fetus. It is a valuable method for judging the development of the fetus. 2. See if the baby is safe in uterus.Through B-ultrasound examination, we can check the fetal position, amniotic fluid, placenta, umbilical cord and so on to determine whether the fetus has hypoxia in uterus. 3. See if the baby is deformed.After 5 months of gestation, all organs of the baby have basically formed, and some deformities can be detected by color Doppler ultrasound. 4. Predicting the possibility of premature delivery.If you have had multiple miscarriages, it is meaningful to measure the length of the cervical canal by B-mode ultrasound, which can predict whether premature delivery will occur in the future. 5. See if you have pregnancy-induced hypertension.If one of your family members or relatives has pregnancy-induced ever suffered hypertension from syndrome, the blood flow of uterine artery can be detected by B-mode ultrasound to predict how likely you are to suffer from pregnancy- induced hypertension. Doctors can also make corresponding accordingly. preventive measures