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Fetal and maternal temperatures during labor and delivery : a prospective descriptive study

Lavesson, Tony LU ; Källén, Karin LU and Olofsson, Per LU (2018) In Journal of Maternal-Fetal and Neonatal Medicine 31(12). p.1533-1541
Abstract

Objective: The objective of this study is to study the fetal scalp temperature (FST) and maternal axillary temperature (MAT) during vaginal delivery relative to progression of labor, uterine contractions (UC) and epidural analgesia (EDA), and to construct normal temperature reference ranges related to stage of labor. Material and methods: Temperatures were recorded continuously in labor of 132 women with a bi-metal temperature sensor attached to the axilla (MAT) and a similar sensor mounted in a scalp electrode (FST). The temperature data were stored electronically and analyzed offline at cervical dilatations of 2–3, 5, 7–8, and 10 cm, and at full retraction. The FST was read before, at increasing, at peak, at decreasing, and after UC.... (More)

Objective: The objective of this study is to study the fetal scalp temperature (FST) and maternal axillary temperature (MAT) during vaginal delivery relative to progression of labor, uterine contractions (UC) and epidural analgesia (EDA), and to construct normal temperature reference ranges related to stage of labor. Material and methods: Temperatures were recorded continuously in labor of 132 women with a bi-metal temperature sensor attached to the axilla (MAT) and a similar sensor mounted in a scalp electrode (FST). The temperature data were stored electronically and analyzed offline at cervical dilatations of 2–3, 5, 7–8, and 10 cm, and at full retraction. The FST was read before, at increasing, at peak, at decreasing, and after UC. The MAT and FST curves were compared with mixed-effect models statistics for repeated measurements. A two-tailed p <.05 was considered significant. Results: The FST did not vary during UC (p = .24). Both FST and MAT increased linearly by progression of labor (both p < .001). The increases in temperatures were greater with EDA than without (p < .001). Conclusions: During UC, the FST showed no alteration. Both FST and MAT increased significantly by progression of labor, and significantly more in the presence of EDA. The presented normal temperature reference ranges can be used for future research.

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author
; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Epidural analgesia, fetal temperature, intrapartum fever, labor, maternal temperature, pregnancy
in
Journal of Maternal-Fetal and Neonatal Medicine
volume
31
issue
12
pages
1533 - 1541
publisher
Taylor & Francis
external identifiers
  • pmid:28412845
  • scopus:85018424727
ISSN
1476-7058
DOI
10.1080/14767058.2017.1319928
language
English
LU publication?
yes
id
189fd88d-97de-44f1-a40d-a2bc365b816b
date added to LUP
2017-05-24 14:43:07
date last changed
2024-03-31 08:42:12
@article{189fd88d-97de-44f1-a40d-a2bc365b816b,
  abstract     = {{<p>Objective: The objective of this study is to study the fetal scalp temperature (FST) and maternal axillary temperature (MAT) during vaginal delivery relative to progression of labor, uterine contractions (UC) and epidural analgesia (EDA), and to construct normal temperature reference ranges related to stage of labor. Material and methods: Temperatures were recorded continuously in labor of 132 women with a bi-metal temperature sensor attached to the axilla (MAT) and a similar sensor mounted in a scalp electrode (FST). The temperature data were stored electronically and analyzed offline at cervical dilatations of 2–3, 5, 7–8, and 10 cm, and at full retraction. The FST was read before, at increasing, at peak, at decreasing, and after UC. The MAT and FST curves were compared with mixed-effect models statistics for repeated measurements. A two-tailed p &lt;.05 was considered significant. Results: The FST did not vary during UC (p = .24). Both FST and MAT increased linearly by progression of labor (both p &lt; .001). The increases in temperatures were greater with EDA than without (p &lt; .001). Conclusions: During UC, the FST showed no alteration. Both FST and MAT increased significantly by progression of labor, and significantly more in the presence of EDA. The presented normal temperature reference ranges can be used for future research.</p>}},
  author       = {{Lavesson, Tony and Källén, Karin and Olofsson, Per}},
  issn         = {{1476-7058}},
  keywords     = {{Epidural analgesia; fetal temperature; intrapartum fever; labor; maternal temperature; pregnancy}},
  language     = {{eng}},
  number       = {{12}},
  pages        = {{1533--1541}},
  publisher    = {{Taylor & Francis}},
  series       = {{Journal of Maternal-Fetal and Neonatal Medicine}},
  title        = {{Fetal and maternal temperatures during labor and delivery : a prospective descriptive study}},
  url          = {{http://dx.doi.org/10.1080/14767058.2017.1319928}},
  doi          = {{10.1080/14767058.2017.1319928}},
  volume       = {{31}},
  year         = {{2018}},
}