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Fetal heart rate after vibroacoustic stimulation |
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| Authors: | Jeong Kyu Hoh Kyung-Joon Cha Moon-Il Park |
| Affiliation: | a Department of Obstetrics and Gynecology, School of Medicine, University of California, Irvine, CA, USA b Department of Mathematics, College of Natural Science, Hanyang University, Seoul, Korea c Department of Obstetrics and Gynecology, College of Medicine, Hanyang University, Seoul, Korea d Research Institute of Natural Sciences, Hanyang University, Seoul, Korea |
| Abstract: | ObjectiveTo define reference ranges for fetal heart rate (FHR) parameters after vibroacoustic stimulation (VAS) according to gestational age by determining the relationship between FHR and gestational age using a computerized analysis system.MethodsData were analyzed from 3453 women using 10-minute observational recordings during nonstress testing (NST) and VAS testing. FHR parameters were analyzed according to gestational age.ResultsAll FHR parameters were related to gestational age except for mean baseline FHR, which did not vary significantly with gestational age. All other parameters followed trends similar to the NST results, except for decelerations.ConclusionFHR parameters after VAS differed significantly according to gestational age. The results suggest that the gestational age of the fetus should be considered when interpreting FHR patterns after VAS. |
| Keywords: | Computerized analysis Fetal heart rate parameters Gestational age Vibroacoustic stimulation |
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