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Conjunctiva is an estrogen-sensitive epithelium

D Vavilis1, S Maloutas, M Nasioutziki

  • 1Second Department of Obstetrics and Gynecology, Aristotelian University of Thessalonoiki, Greece.

Acta Obstetricia Et Gynecologica Scandinavica
|November 1, 1995
PubMed
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The conjunctival epithelium in women undergoes cyclical maturation changes mirroring vaginal smears during the ovarian cycle. This estrogen-sensitive tissue shows no cyclical changes in postmenopausal or pregnant states.

Area of Science:

  • Ophthalmology
  • Endocrinology
  • Cell Biology

Background:

  • The ovarian cycle influences various tissues, but its effect on the conjunctival epithelium is not well understood.
  • Investigating cyclical changes in the conjunctiva can provide insights into hormonal effects on ocular surface tissues.

Purpose of the Study:

  • To determine if the conjunctival epithelium exhibits cyclical maturation changes corresponding to the ovarian cycle.
  • To examine the cytological characteristics of the conjunctiva in postmenopausal and pregnant women.

Main Methods:

  • Conjunctival and vaginal smears were collected daily from menstruating, postmenopausal, and pregnant women.
  • The Maturation Index, representing the ratio of parabasal, intermediate, and superficial cells, was calculated for each smear.

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Main Results:

  • Cyclical maturation changes were observed in the conjunctival smears of menstruating women, paralleling those in vaginal smears.
  • Postmenopausal and pregnant women showed no cyclical changes, with a significant shift towards immature cells (left shift) in the Maturation Index.

Conclusions:

  • The conjunctiva appears to be an estrogen-sensitive tissue.
  • Hormonal fluctuations during the ovarian cycle influence conjunctival cell maturation.