First and second trimester serum tests with and without first trimester ultrasound tests for Down's syndrome screening.
CONCLUSIONS: Tests involving first trimester ultrasound with first and second trimester serum markers in combination with maternal age are significantly better than those without ultrasound, or those evaluating first trimester ultrasound in combination with second trimester serum markers, without first trimester serum markers. We cannot make recommendations about a specific strategy on the basis of the small number of studies available.
PMID: 28295159 [PubMed - as supplied by publisher]
Source: Cochrane Database of Systematic Reviews - Category: Journals (General) Authors: Alldred SK, Takwoingi Y, Guo B, Pennant M, Deeks JJ, Neilson JP, Alfirevic Z Tags: Cochrane Database Syst Rev Source Type: research
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