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Early vaginal bleeding has no impact on markers used in first trimester aneuploidy screening |
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| Authors: | K Spencer C E Spencer A Stamatopoulou I Staboulidou K H Nicolaides |
| Institution: | 1. Prenatal Screening Unit, Clinical Biochemistry Department, King George Hospital, Goodmayes, UK;2. Harris Birthright Research Centre for Fetal Medicine, King's College Hospital, London, UK |
| Abstract: | |
| Keywords: | Downs syndrome prenatal Screening PAPP-A free β-hCG trisomy nuchal translucency vaginal bleeding |