A simple blood test for Down's syndrome could provide an alternative to invasive testing in pregnant women.
2
我们的研究结果支持这样的做法，即在40岁以上孕妇怀孕38周时，就开始对其进行常规孕检。
"Our results support routine antenatal testing in those women who are over age 40, beginning at 38 weeks gestation, " said first author Mert Ozan Bahtiyar, M.
3
孕妇应定期到医院做产前检食。
The pregnant woman should do regularly to the hospital pre-natal examines the food.
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