Normal value of four-dimensional color Doppler ultrasound at 6 months

Pregnancy 6 months also belongs to 24 weeks, this period of biparietal diameter is generally about 6.9 cm, head circumference is about 22.4 cm, left and right abdominal circumference is about 19.7 cm, femur length is about 4.4 cm. After measuring the fetal length, we can know whether the growth and development of the fetus shows abnormal conditions, and do four-dimensional color Doppler ultrasound can also see the specific conditions of internal organs, such as the heart, urinary system and so on are much clearer than ordinary color Doppler ultrasound, four-dimensional color Doppler ultrasound belongs to a dynamic process, such as DV.