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Psychophysically determined thresholds for thermal perception and pain perception in healthy women across the menstrual cycle
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Women's and Children's Health. (Klinisk och experimentell reproduktionsbiologi/Olovsson)
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2006 (English)In: The Clinical Journal of Pain, ISSN 0749-8047, E-ISSN 1536-5409, Vol. 22, no 7, 610-616 p.Article in journal (Refereed) Published
Abstract [en]

Objectives: Several studies have indicated changes in sensation and/or pain sensitivity among women across the menstrual cycle, but the pattern of the changes varies considerably. One reason for the reported discrepancies could reside in lack of biochemical definition of menstrual cycle phase. The aim was to quantify temperature and temperature pain thresholds at biochemically defined stages of the menstrual cycle.

Methods: Nineteen healthy women were included in the study. Temperature and temperature pain thresholds were evaluated by quantitative sensory testing, performed at 3 occasions during the menstrual cycle (early follicular phase, late follicular phase, and mid-luteal phase). At each test session, serum concentrations of estradiol and progesterone were assessed.

Results: Thermal cold perception threshold at the mammilla was significantly lower in the late follicular and mid-luteal phases, compared with the early follicular phase (P < 0.05, respectively). For the remaining test sites, no cycle related differences in thermal perception or thermal thresholds could be documented.

Conclusions: The present study has indicated no major changes in thermal pain thresholds related to phase of the menstrual cycle for the tested locations, although thermal cold perception threshold at the mammilla was a significantly lower in the late follicular and mid-luteal phases, compared with the early follicular phase. The findings of the present study further underlines the need for strict criteria for menstrual cycle phase when studying pain sensitivity in relation to hormonal events in women.

Place, publisher, year, edition, pages
2006. Vol. 22, no 7, 610-616 p.
Keyword [en]
quantitative sensory testing, thermometry, menstrual cycle, estradiol, progesterone
National Category
Medical and Health Sciences
Identifiers
URN: urn:nbn:se:uu:diva-19469DOI: 10.1097/01.ajp.0000210904.75472.63ISI: 000240612500003PubMedID: 16926576OAI: oai:DiVA.org:uu-19469DiVA: diva2:47241
Available from: 2007-02-20 Created: 2007-02-20 Last updated: 2017-12-08Bibliographically approved

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Sundström Poromaa, Inger

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