1, fetal facial deformity: such as cleft lip and palate; Nervous system: no cerebral malformation, hydrocephalus, microcephaly, spina bifida and meningocele.
2. Digestive system: omphalocele, visceral eversion, intestinal atresia, Hirschsprung's disease.
3. Urinary system: hydronephrosis, polycystic kidney, huge bladder and urethral obstruction.
4. Other deformities: short limb deformity, conjoined deformity, cleft lip, four cavities, polyhydramnios, oligohydramnios, etc.
Four-dimensional color Doppler ultrasound surface imaging for obstetric examination can not only observe the process of fetal growth, but also visually see the activities of the fetus in the mother, such as breathing and movement, including whole body movement, limb movement and even tiny swallowing movements of the fetus. Doctors can also observe whether the tension of the fetus is good through four-dimensional color Doppler ultrasound.