second trimester screening的意思|示意

Conclusion Ultrasound screening in the first trimester can effectively detect the abnormal fetuses in some degree, but the second trimester screening is still necessary.

结论孕早期超声筛查能早期检出部分严重、早发的胎儿异常，但不能替代孕中期超声筛查。

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.

结论孕中期应用母血清生化指标进行产前筛查，结合产前诊断是减少染色体异常患儿出生的有效方法。

Objective:To investigate the consistency between two maternal serum screening for Down′s syndrome in the second trimester pregnancy.

目的调查两种孕中期唐氏综合征产前筛查方法的一致性。

To investigate the clinical value of second trimester maternal serum screening and umbilical artery Doppler for prediction of adverse pregnancy outcome.

探讨孕中期母血清标志物及脐动脉血流用于预测不良妊娠结局的临床价值。

Second-trimester sonographic soft markers: what can we learn from the experience of first-trimester nuchal translucency screening?

妊娠中期超声检查的软性标记物：我们能从早期妊娠胎儿颈项透明层厚度筛查经验中学到什么?。