产前诊断又称宫内诊断或出生前诊断,是指直接或间接地对孕期胎儿情况进行检测,继而采取一些必要的措施防止严重遗传病,先天性畸形和智力障碍患儿的出生,提高人口素质。产前诊断是近30年发展起来的一个新领域。传统的产前诊断方法为绒毛膜取样和羊膜腔穿刺。近年来,随着医学分子 Prenatal diagnosis, also known as intrauterine diagnosis or prenatal diagnosis, refers to direct or indirect detection of fetal status during pregnancy, and then take some necessary measures to prevent the birth of children with severe genetic diseases, congenital malformations and mental retardation, increase population Quality. Prenatal diagnosis is a new area developed in the past 30 years. Traditional methods of prenatal diagnosis of chorionic villus sampling and amniocentesis. In recent years, along with medical researchers