In 11-13 + 6 weeks, fetal nuchal translucency (nt) thickness has become an important index of down's syndrome of early pregnancy screening.

孕11 - 13 + 6周胎儿颈项透明层(NT)厚度已经成为早孕期筛查唐氏综合征的重要指标。

youdao

Conclusion Serum marks with CDFI may play an important role in screening for Down's syndrome at early and mid pregnancy.

结论孕妇血清风险评估结合彩超诊断对孕早、中期唐氏综合征筛查有重要的意义。

youdao

Objective To investigate the incidence of Down's syndrome in live birth infants delivered in the hospital, and the effect of prenatal screening in reducing the incidence of Down's syndrome.

目的探讨住院分娩活产婴儿中唐氏综合征的发生率，以及产前筛查对降低唐氏综合征发生率的作用。

youdao

Screening services for cystic fibrosis and Down's syndrome are to be made available to all new mothers and pregnant women.

BBC: Cystic fibrosis screening for all

And screening for sickle cell diseases by week 10 and Down's syndrome between 11 and 14 weeks using the most up-to-date methods should be available.

BBC: NEWS | Health | Alcohol ban advised for pregnancy