Distribution of nuchal translucency thickness in Japanese fetuses

Junichi Hasegawa, Masamitsu Nakamura, Shoko Hamada, Ryu Matsuoka, Kiyotake Ichizuka, Akihiko Sekizawa, Takashi Okai

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)


Aim: To establish reference values for the nuchal translucency (NT) thickness in Japanese fetuses. Material and Methods: Ultrasonographic measurements of the crown-rump length (CRL) and NT were performed from 11 to 13 + 6 weeks of gestation in consecutive Japanese fetuses examined during prenatal visits between February 2011 and January 2012. The median, 5th and 95th percentiles of the NT thickness with 5 mm intervals of the CRL were confirmed. Results: A total of 970 cases were enrolled in the study. The median NT thickness for a CRL between 45 and 80 mm ranged from 1.2 mm to 1.9 mm, and the 95th percentile of these values ranged from 2.1 mm to 3.2 mm, respectively. Conclusion: The reference values for the NT thickness in Japanese fetuses were determined. These values should be useful for fetal biometry, morphological assessment and first trimester screening for chromosomal abnormalities in Japan.

Original languageEnglish
Pages (from-to)766-769
Number of pages4
JournalJournal of Obstetrics and Gynaecology Research
Issue number4
Publication statusPublished - 04-2013
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Obstetrics and Gynaecology


Dive into the research topics of 'Distribution of nuchal translucency thickness in Japanese fetuses'. Together they form a unique fingerprint.

Cite this