Article
Accuracy of first‐trimester combined test in screening for trisomies 21, 18 and 13
23 Aug 2016
Abstract excerpt
OBJECTIVE: To examine the diagnostic accuracy of a previously developed model for the first-trimester combined test in screening for trisomies 21, 18 and 13. METHODS: This was a prospective validation study of screening for trisomies 21, 18 and 13 by assessment of a combination of maternal age, fetal nuchal translucency, fetal heart rate and serum free β-human chorionic gonadotropin (β-hCG) and...
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