Night shift work and other determinants of estradiol, testosterone, and dehydroepiandrosterone sulfate among middle-aged nurses and midwives

Aug 9, 2016Scandinavian journal of work, environment & health

How night shift work and other factors relate to hormone levels in middle-aged nurses and midwives

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Abstract

Among postmenopausal women, a statistically significant positive association was found between night shift work lasting more than 15 years and estradiol levels.

  • Night shift work characteristics, particularly in morning-type postmenopausal women, are linked to higher estradiol concentrations.
  • No significant associations were reported for testosterone and dehydroepiandrosterone sulfate (DHEAS) levels within the study.
  • The analysis confirmed established links between hormone levels and factors such as age and body mass index (BMI).
  • The findings suggest that extended exposure to night shift work could influence hormonal balance in this demographic.

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