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양수의 Optical Density와 L/S에 관한 연구 : Interrelation between Optical Density and L/S Ratio of Amniotic Fluid
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- Authors
- Issue Date
- 1981-03
- Publisher
- 서울대학교 의과대학
- Citation
- Seoul J Med, Vol.22 No.1, pp. 101-106
- Abstract
- The optical density differences at 450nm (.optical densities at 650nm, and lecithin/sphingomyelin
ratios of amniotic fluid samples obtained from 63 normal pregnant women of various gestational periods
were measured by spectrophotometric analysis and
thin-layer chromatographic techniques.
The values of .the progression of pregnancy, and showed the possibility
of being used as a test for gestational age or
fetal maturity.
The interrelation between optical densities at 650
nm and L/S ratios. as a fetal maturity test , was
appraised. Optical density readings of O. 15 or greater
correleated 100% with L/S ratios of 2.0 or greater
Optical density readings below 0.15 correlated 83.7%
with L/S ratios below 2.0
It was thought that a more simple test of optical
density at 650nm than L/S ratio could be used as a
test for fetal maturity. But further studies needed for
confirmation.
- ISSN
- 0582-6802
- Language
- Korean
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