出生缺陷除了造成胎儿和婴儿死亡外,大部分成活出生缺陷儿都会留有残疾,这不仅会严重地影响着他们未来的生活质量,同时也给家庭和社会造成沉重的经济负担。中国是出生缺陷高发国家,出生缺陷发生率呈上升趋势,由1996年的87.7/10万,上升到2010年的149.9/10万,上升70.9%[1]。出 Birth defects In addition to the deaths of fetuses and infants, most surviving birth defects leave people with disabilities, which will not only seriously affect their quality of life in the future, but also cause heavy financial burden on families and society. China is a country with a high incidence of birth defects. The incidence of birth defects is on an upward trend, rising from 70.7% in 1996 to 87.9% in 2010 to 149.9% in 2010 [1]. Out