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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 |
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| Authors: | Kevin Spencer Renu Bindra Kypros H Nicolaides |
| Institution: | 1. Clinical Biochemistry Department, Harold Wood Hospital, Gubbins Lane, Romford, Essex, UK;2. Harris Birthright Research Centre for Fetal Medicine, Kings College Hospital Medical School, Denmark Hill, London |
| Abstract: | |
| Keywords: | Down syndrome prenatal screening |