Increased nuchal translucency in euploid fetuses--what should we be telling the parents?

Abstract:

:Nuchal translucency (NT) measurement between 11 and 14 weeks' gestation is an undisputed marker for aneuploidies. When conventional karyotyping is normal, enlarged NT is a strong marker for adverse pregnancy outcome, associated with miscarriage, intrauterine death, congenital heart defects, and numerous other structural defects and genetic syndromes. The risk of adverse outcome is proportional to the degree of NT enlargement. Although the majority of structural anomalies are amenable to ultrasound detection, unspecified genetic syndromes involving developmental delay may only emerge after birth. Concern over these prenatally undetectable conditions is a heavy burden for parents. However, following detection of enlarged NT the majority of babies with normal detailed ultrasound examination and echocardiography will have an uneventful outcome with no increased risk for developmental delay when compared to the general population. Counseling should emphasize this to help parents restore hope in normal pregnancy outcome and infant development.

journal_name

Prenat Diagn

journal_title

Prenatal diagnosis

authors

Bilardo CM,Timmerman E,Pajkrt E,van Maarle M

doi

10.1002/pd.2396

subject

Has Abstract

pub_date

2010-02-01 00:00:00

pages

93-102

issue

2

eissn

0197-3851

issn

1097-0223

journal_volume

30

pub_type

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