优生优育,提高出生人口质量在医学发展到今天已被提升到相当重要的位置。出生缺陷给患儿自身日后带来肉体和精神上的痛苦及生活上的不便,同时对家庭和社会也是1个沉重的负担。由此可见产前对胎儿颜面部畸形的正确诊断,对于及早处理和降低出生缺陷尤为重要。超声作为1种无创伤的 Prenatal and postnatal care, improve the quality of birth population in the medical development has been promoted to a very important position today. Birth defects bring physical and mental pain and inconvenience to their children in the future, and they are also a heavy burden on families and the community. This shows that the correct prenatal fetal facial deformity diagnosis, early treatment and reduce birth defects is particularly important. Ultrasound as a noninvasive