So, they are saying that the initial screening followed with a second round of screening have proved to have a detection rate as high as 84%, the article continues.

Also, integrated screening (combining the results of tests in the first and second-trimesters) has also proved to be valuable in terms of detection of DS during pregnancy. The problem with integrated screening, the article points out, is that there is quite a period of time from the initiation of the testing until completion. But the larger question is, what is a woman to do if indeed her baby has a mis-matched chromosome count? If it is caught early enough, would she consider an abortion? That is a moral and personal privacy issue, of course, but it is worth consideration given the issues that arise for a family with a DS child.

If a pregnant woman is screened properly during her first-trimester,...
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