- Original Article
- Developmental Changes of Spectral and Chaotic Indexes of Heart Rate Variability in Normal Fetuses
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Jee-Young Jung, Myung-Kul Yum, Nam-Su Ki, Jae-Won Oh, Chang-Ryul Kim, Jung Hye Hwang, Moon-Il Park
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Clin Exp Pediatr. 1998;41(10):1380-1388. Published online October 15, 1998
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Purpose : The purposes of this study were to determine the normal values of spectral and chaotic indexes and to assess the maturational process of autonomic and chaotic control of fetal heart rate according to gestational age.
Methods : Three hundred and thirty-seven mothers with normal singleton pregnancies, who were 23 weeks or more in gestational age, was randomly chosen. For... |
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