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임신 10-14주에 정상 한국인 단태아의 목덜미 반투명 (Nuchal translucency) 두께 측정,Ⅱ

Other Titles
 Nuchal Translucency Measurement in Normal Korean Fetuses at 10-14 Weeks of Gestation(II) 
 서석교  ;  이대우  ;  김종화  ;  차동현  ;  이국  ;  조시현  ;  권자영 
 Korean Journal of Obstetrics and Gynecology (대한산부인과학회잡지), Vol.46(3) : 522-527, 2003 
Journal Title
Korean Journal of Obstetrics and Gynecology(대한산부인과학회잡지)
Issue Date
Nuchal translucency : Crown-rump length ; Normal fetuses ; First-trimester ; Ultrasound
Nuchal translucency : Crown-rump length ; Normal fetuses ; First-trimester ; Ultrasound
The aim of the present cross-sectional study is to define the reference range for the nuchal translucency (NT) measurements in normal Korean fetuses between 10 and 14 weeks' gestation.
The nuchal translucency was measured prospectively in 202 chromosomally normal singletons of women attending our antenatal clinic or prenatal diagnostic center by 177 transabdominal sonography (88%) and by 25 transvaginal sonography (12%) if difficulty was encountered with transabdominal sonography. The NT measurement was expressed as the median and 5th, 95th centiles according to crown-rump length (CRL) measurements by ultrasound. Mean multiple of median (MoM) and the 95th centile of MoM values of the NT measurements with CRL in 10 mm intervals were also calculated.
NT measurements increased significantly with CRL[NT (mm)=0.481647+0.020142xCRL (mm)]. A NT measurement greater than 2.5 mm was found in 4% of normal fetuses, but this proportion increased form 0% at 10-11 weeks, to 3.8, 8.8, 11.5% at 12, 13, 14 weeks, respectively.
The present study provides normative data on the fetal NT thickness in a Korean population, which may improve the performance of NT screening for chromosomal abnormalities in the first trimester.
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Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Obstetrics and Gynecology (산부인과학교실) > 1. Journal Papers
Yonsei Authors
Kwon, Ja Young(권자영) ORCID logo https://orcid.org/0000-0003-3009-6325
Seo, Seok Kyo(서석교) ORCID logo https://orcid.org/0000-0003-3404-0484
Lee, Kook(이국)
Lee, Dae Woo(이대우)
Cho, Si Hyun(조시현) ORCID logo https://orcid.org/0000-0003-2718-6645
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