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A journey through two lumens!

R J Levin1

  • 1Department of Biomedical Science, University of Sheffield, Western Bank, Yorkshire, UK. R.J.Levin@sheffield.ac.uk

International Journal of Impotence Research
|February 28, 2003
PubMed
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This research pioneered quantitative assessments of human female genital function, measuring vaginal pH, blood flow, and electrical activity during arousal. These early studies shifted focus from descriptive observations to objective, measurable physiological data.

Area of Science:

  • Physiology
  • Human sexual function
  • Gynecology

Background:

  • Early research on human female genital function was largely descriptive.
  • Quantitative assessments were needed to advance understanding.

Purpose of the Study:

  • To conduct early European laboratory investigations on human female genital function.
  • To quantitatively assess physiological parameters in basal and aroused states.

Main Methods:

  • Measurements included vaginal pH, pO2, blood flow, motility, fluid ionic concentrations, amino-acid concentrations, and transvaginal potential difference.
  • Pioneered heated oxygen electrode for blood flow monitoring.
  • Examined effects of arousal on cervical secretion and heart rate.
  • Investigated actions of TRH and atropine on vaginal parameters.

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Main Results:

  • Established a baseline for quantitative physiological data in female genital function.
  • Demonstrated objective indicators of sexual excitement and orgasm.
  • Provided insights into the physiological changes during sexual arousal.

Conclusions:

  • These studies marked a transition from descriptive to quantitative methods in human genital physiology.
  • Laid the groundwork for modern, objective research in female sexual function.