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The impact of fetal gender on first trimester nuchal translucency and maternal serum free β-hCG and PAPP-A MoM in normal and trisomy 21 pregnancies |
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| Authors: | Nicholas J. Cowans Anastasia Stamatopoulou Nerea Maiz Kevin Spencer Kypros H. Nicolaides |
| Affiliation: | 1. Prenatal Screening Unit, Clinical Biochemistry Department, King George Hospital, Barley Lane, Goodmayes, IG3 8YB, UK;2. Harris Birthright Research Centre for Fetal Medicine, King's College Hospital, Denmark Hill, London, UK |
| Abstract: | |
| Keywords: | fetal sex prenatal screening aneuploidy, Down's syndrome free β-hCG PAPP-A |