Biochemical screening for Down syndrome
β Scribed by Howard Cuckle
- Book ID
- 117986474
- Publisher
- Elsevier Science
- Year
- 2000
- Tongue
- English
- Weight
- 84 KB
- Volume
- 92
- Category
- Article
- ISSN
- 0301-2115
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Ultrasound dating in first-trimester biochemical screening for Down syndrome We have read with interest the article by Macintosh ef al. (1995) which describes the effects of ultrasound estimation of gestational age on the performance of first-trimester biochemical screening for fetal aneuploidy. I
Biochemical screening for Down syndrome (DS) is well established in the second trimester of pregnancy, but there is little information available on its value in the first trimester. This study describes our preliminary results with biochemical screening for DS in the first trimester of pregnancy in