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Influence of estrogen levels on thermal perception, pain thresholds, and pain tolerance: studies on women undergoing in vitro fertilization.
Linnaeus University, Faculty of Health, Social Work and Behavioural Sciences, School of Health and Caring Sciences.
IKE, Linköpings universitet.
IKE, Linköpings universitet.
IKE, Linköpings universitet.
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2012 (English)In: Journal of Pain, ISSN 1526-5900, E-ISSN 1528-8447, Vol. 13, no 5, 459-466 p.Article in journal (Refereed) Published
Abstract [en]

We examined the relationship between estrogen and pain in women undergoing in vitro fertilization (IVF). Quantitative sensory tests (QST) were performed twice during the IVF-regimen: once during hormonal down-regulation and once during hormonal up-regulation. A group of healthy men and a group of women using monophasic contraceptives were also examined, to control for session-to-session effects. Among the women undergoing IVF, serum 17β-estradiol levels differed strongly between treatments as expected, and increased from 65.7 (SD = 26) pmol/L during the down-regulation phase, to 5,188 (SD = 2,524) pmol/L during the up-regulation phase. Significant outcomes in the QST were only seen for temperature perception thresholds (1.7 °C versus 2.2 °C; P = .003) and cold pain threshold (11.5 °C versus 14.5 °C; P = .04). A similar change in cold pain threshold was also seen in the 2 control groups, however, and statistical analysis suggested that this change was due to a session-to-session effect rather than being the result of hormonal modulation. Heat pain thresholds, heat tolerance, pressure pain thresholds, and the cold pressor test showed no significant differences between sessions. These data demonstrate that pain perception and pain thresholds in healthy women show little, if any, changes even with major variations in serum estradiol levels. PERSPECTIVE: This study shows that pain perception and tolerance in women undergoing in vitro fertilization do not vary, despite the dramatic changes in 17β-estradiol levels induced by the treatment regimen. The result thus suggests that in humans, contrary to experimental animals, changes in estrogen levels have little influence on pain sensitivity.

Place, publisher, year, edition, pages
2012. Vol. 13, no 5, 459-466 p.
National Category
Cell and Molecular Biology
Research subject
Natural Science, Biomedical Sciences
Identifiers
URN: urn:nbn:se:lnu:diva-20136DOI: 10.1016/j.jpain.2012.01.446PubMedID: 22480441OAI: oai:DiVA.org:lnu-20136DiVA: diva2:535021
Available from: 2012-06-19 Created: 2012-06-19 Last updated: 2014-01-10Bibliographically approved

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
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More languages
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