Can twins undergo four-dimensional color Doppler ultrasound?

Twins can usually undergo 4D color ultrasound examinations, and it is recommended to perform them under the guidance of a physician.

If the pregnancy progresses smoothly without significant complications such as hypertension or diabetes, and the positioning of the twins allows for a 4D color ultrasound examination, then undergoing a 4D ultrasound is generally feasible. With 4D color ultrasound, physicians can more comprehensively observe each fetus's growth and development, including organ structure, facial features, and fetal movement, which helps assess the health status of the twins.

It is generally recommended to perform this examination between 22 and 26 weeks of pregnancy because at this stage the fetus is relatively small, there is sufficient amniotic fluid, and the fetus has more room to move, making fetal structures easier to visualize and reducing the likelihood of misdiagnosis or missed diagnosis. However, due to potential obstruction between the twins in the uterus, certain anatomical structures might not be clearly visible. Therefore, compared to singleton pregnancies, prenatal anomaly screening for twins usually requires more time.

Pregnant women are advised to get plenty of rest, maintain good sleeping habits, and try to avoid fatigue and strenuous physical activity. Under the guidance of professionals, they may perform appropriate prenatal exercises, such as prenatal fitness routines or yoga, to improve physical fitness and support fetal development.