产前诊断又称出生前诊断或宫内诊断。是应用各种检测手段检测胎儿的健康状况,对检测出患有疾病的胎儿及时终止妊娠,从而达到提高出生人口素质,降低出生缺陷的目的。产前诊断是诊断胎儿先天愚型的经典方法之一,是防止先天 Prenatal diagnosis, also known as prenatal diagnosis or intrauterine diagnosis. Is the application of various detection methods to detect the health status of the fetus, the fetus with the disease detected in a timely manner to terminate the pregnancy, so as to achieve the purpose of improving the quality of birth population and reduce birth defects. Prenatal diagnosis is one of the classic ways to diagnose a fetus idiot, to prevent congenital