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Using 2 methods of statistical analysis, the all\u2010point method and the median regression method, 4 weight\u2010correction models were then tried, the simple linear, reciprocal, quadratic, and log\u2010linear regression models. <jats:italic>Results<\/jats:italic>: The median regression method performed better than the all\u2010point method, and the quadratic regression model showed the best fit for both AFP and hCG in the median regression method, with adjusted <jats:italic>R<\/jats:italic><jats:sup>2<\/jats:sup>s of 0.987 and 0.988, respectively. <jats:italic>Conclusion<\/jats:italic>: The quadratic regression model was found to be the most suitable for Chinese pregnant women.<\/jats:p>","DOI":"10.1016\/j.ijgo.2006.11.013","type":"journal-article","created":{"date-parts":[[2007,2,8]],"date-time":"2007-02-08T12:07:17Z","timestamp":1170936437000},"page":"21-25","source":"Crossref","is-referenced-by-count":2,"title":["Chinese weight\u2010correction model for maternal serum markers in Down syndrome prenatal screening"],"prefix":"10.1002","volume":"97","author":[{"given":"Yuan\u2010Yuan","family":"Wang","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Li","family":"Zhang","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zuo\u2010Qi","family":"Peng","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Qin\u2010Zi","family":"Cui","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xu","family":"Ma","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2007,2,7]]},"reference":[{"key":"e_1_2_6_2_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0140-6736(84)92463-2"},{"issue":"8026","key":"e_1_2_6_3_2","first-page":"1323","article-title":"Maternal serum\u2010alpha\u2010fetoprotein measurement in antenatal screening for anencephaly and spinal bifida in early pregnancy. 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