@@ 1 The history and main problems in prenatal diagnosis and clinical diagnosis of inherited diseasesrnPrenatal diagnosis is to diagnose the fetal congenital defects and inherited diseases. In the earlier 1970s, the group of prenatal diagnosis in Peking Union Hospital was founded by Dr. Qiao-zhi LIN.Meanwhile, under the leadership of Dr. LIN, the group successfully completed the culture of amniotic fluid cells and began to diagnose fetal chromosomal diseases in the second trimester of pregnancy. In 1988, they succeeded in diagnosing chromosomal diseases by taking the chorionic villus in the early pregnancy. Since then, the genetic and prenatal counseling to those women who previously had children with severe defects were gradually developed. The work of the Peking Union Hospital developed prenatal diagnosis in our country.
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