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Maternal weight correction of maternal serum PAPP‐A and free β‐hCG MoM when screening for trisomy 21 in the first trimester of pregnancy

10 Sept 2003

Abstract excerpt

OBJECTIVE: To assess the suitability of either the log-linear or reciprocal-linear regression procedure for maternal weight correction of biochemical marker MoMs in the first trimester. METHODS: Data from two prospective first-trimester OSCAR screening programmes including 32,010 women with first-trimester maternal serum-free beta-hCG and PAPP-A measured by the Kryptor analyser was analysed by regression analysis...

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PMID: 14558032
DOI: 10.1002/pd.708

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