Fetal Crown-Chin Length to Crown-Rump Length Ratio as a Prenatal Sonographic Marker for Triploidy at First Trimester.
crown chin length
triploidy
ultrasound
Journal
Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine
ISSN: 1550-9613
Titre abrégé: J Ultrasound Med
Pays: England
ID NLM: 8211547
Informations de publication
Date de publication:
Mar 2022
Mar 2022
Historique:
revised:
23
04
2021
received:
03
01
2021
accepted:
03
05
2021
pubmed:
22
5
2021
medline:
16
2
2022
entrez:
21
5
2021
Statut:
ppublish
Résumé
To investigate the ratio of Crown to Chin length (CCL) to Crown-rump length (CRL) between triploid and normal fetuses at first trimester and establish a reference range of fetal CCL/CRL ratio. Three hundred and twenty-five normal and 12 triploid fetuses were reviewed in this study. The image of fetal Crown-rump length (CRL) was acquired retrospectively. CCL and CRL were measured offline by two experienced sonographers, we obtained each averaged value of CCL and CRL as the final data for analysis. A normal range of CCL was established and CCL/CRL ratio was analyzed in normal and triploid fetuses. In 325 normal fetuses, CCL increased with gestational age following a linear trend from 20 mm at a CRL of 45-36 mm at a CRL of 84 mm (CCL (mm) = 3.65 + 0.38 CRL, R The present study demonstrates that fetal CCL/CRL ratio can be used and effective ultrasound marker in screening for triploidy during the first trimester.
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
679-684Informations de copyright
© 2021 American Institute of Ultrasound in Medicine.
Références
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