Hello, most of the four-dimensional expenses in Nanning are generally around 400, not too much. From the four dimensions, generally 22-24 weeks is more appropriate. Four-dimensional color Doppler ultrasound can image the body surface, and congenital malformations such as cleft lip and palate, limb development deformity, meningocele, spina bifida and gastroschisis can be found more clearly. It should be checked. Hospitals in the south are very clear, and you can still see the baby stretching and eating his fingers with a smile. Good luck with your pregnancy!