Conclusion: it's effective to decrease the birth of fetal chromosomal abnormality by undergoing prenatal screening and diagnose with mother serum biochemical indicator in the second trimester.
2
目的调查两种孕中期唐氏综合征产前筛查方法的一致性。
Objective:To investigate the consistency between two maternal serum screening for Down′s syndrome in the second trimester pregnancy.
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