Four-dimensional color Doppler ultrasound is the best time to do a few months

Recently, some people often ask, four-dimensional color ultrasound a few months to do is the best time? Four-dimensional color ultrasound is generally recommended to do 5 to 6 months, that is, pregnant 22 weeks to 26 weeks, is the best time to do four-dimensional color ultrasound. Because this stage baby is not small, amniotic fluid is more, baby activity space is relatively large, in case baby position block some places, cause color Doppler ultrasound doctor has no way to see clearly, generally after the activity, position change, color Doppler ultrasound doctor can see clearly baby each organ development. Therefore, choose pregnancy 22 weeks to 26 weeks, do four-dimensional color Doppler ultrasound is the best time.