论文部分内容阅读
出生缺陷是指出生时就存在的人类胚胎(胎儿)在结构和功能(代谢)方面异常,是造成流产、死胎(死产)、婴幼儿夭折的主要原因,也是造成儿童生理、心理、机体、智力残疾的决定性因素〔1〕。我国是一个世界人口最多的国家,也是出生缺陷人口最多的。据国家人口发展战略研究报告,我国每年约有20万~30万肉眼可见先天畸形儿出生,加上出生后数月和数年才显现出来的缺陷,总数高达80万~120万,约占每年出生人口总数的4%~6%〔2〕,在全国
Birth defects refer to the abnormalities in the structure and function (metabolism) of human embryos (fetuses) born at birth, which are the main causes of miscarriage, stillbirths (stillbirths) and infant mortality, as well as the physical, psychological, Determinants of mental disability (1). My country is one of the most populated countries in the world and has the most birth defects. According to the National Population Development Strategy Study, there are about 200,000-300,000 congenital malformations per year in our country, together with the defects that appeared only a few months and years after birth. The total number is as high as 800,000 to 1,200,000, accounting for about Birth of the population of 4% to 6% 〔2〕, in the country