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KMID : 1151820210150040499
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Journal of the Korean Society of Radiology
2021 Volume.15 No. 4 p.499 ~ p.505
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Comparison of Heart Rate Variability(HRV) in Pregnant Woman and Non-pregnant Woman
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Kim Su-Min
Ye Soo-Young
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Abstract
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In this study, HRV signals are analyzed to compare the autonomic nervous system activity of non-pregnant women and pregnant women. 99 disease-free pregnant women and 27 non-pregnant women from W Hospital participated in the study. The acquired HRV signals were used by the program to perform time domain analysis and frequency domain analysis. The measured values were statistically analyzed for differences between pregnancy periods through a one-way ANOVA. In the results, SDNN and RMSSD in time domain analysis had significantly higher results in early pregnancy and non-pregnant women compared to mid- and late pregnancy. In frequency domain analysis, LF and HF had significantly higher values for pregnancy and non-pregnancy compared to midand late-term, but there was no significant difference between VLF and LF/HF. his means that as pregnancy progresses, the ability to control autonomous nerves decreases in the middle and late stages of pregnancy and increases physical fatigue and mental fatigue. Therefore, the longer the pregnancy period, the more special care is needed to maintain mental and physical stability of pregnant women.
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KEYWORD
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HRV(Heart Rate Variability) , Automatic nervous system , Pregmant woman , Pregnancy stress
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