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dc.contributor.authorChristiansen, Marianne
dc.contributor.authorEkelund, Charlotte K.
dc.contributor.authorPetersen, Olav Bjørn
dc.contributor.authorHyett, Jon
dc.contributor.authorEastwood, Nathan
dc.contributor.authorBall, Susan
dc.contributor.authorTabor, Ann
dc.contributor.authorVogel, Ida
dc.date.accessioned2015-11-04T13:41:39Z
dc.date.issued2015-10-27
dc.description.abstractObjective To describe the distribution of the fetal nuchal translucency thickness (NT) according to type of chromosomal aberration in a large unselected population. Methods Data on pregnancies with an NT measurement performed at gestational age 11+3 – 13+6 weeks from 2008–2011 were retrieved from the Danish National Fetal Medicine Database. Information on any genetic analysis for aneuploidy performed pre- or postnatally was also obtained. The abnormal results were grouped into 14 types of chromosomal anomalies. Distributions of NT measurements were summarized by aberration and compared with the normal/no karyotype group. Results 215,223 singleton pregnancies were included in the cohort. 10,548 had a normal karyotype and 1,286 had an aberration. Plots of the NT measurements showed that like trisomy 21,18, and 13 and monosomy X, the distribution for the unbalanced translocations was shifted towards larger NTs. The distributions for the balanced translocations, the uncommon trisomies and the triploidies more closely resembled that of the normal/no karyotype population. Conclusion Fetuses with aneuploidies have NT distributions visually different from normal fetuses, with the exception of triploidies and uncommon autosomal trisomies. The distributions differ in shape according to type of chromosomal anomaly.en_GB
dc.identifier.citationAccepted manuscript online: 27 October 2015en_GB
dc.identifier.doi10.1002/pd.4711
dc.identifier.urihttp://hdl.handle.net/10871/18579
dc.language.isoenen_GB
dc.publisherWileyen_GB
dc.rights.embargoreasonPublisher policyen_GB
dc.titleNuchal translucency distributions for different chromosomal anomalies in a large unselected population cohorten_GB
dc.typeArticleen_GB
dc.identifier.issn0197-3851
dc.descriptionThis article has been accepted for publication and undergone full peer review but has not been through the copyediting, typesetting, pagination and proofreading process, which may lead to differences between this version and the Version of Record. Please cite this article as doi: 10.1002/pd.4711en_GB
dc.identifier.eissn1097-0223
dc.identifier.journalPrenatal Diagnosisen_GB


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