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Author (up) Gudmundsdottir, S.L.; Flanders, W.D.; Augestad, L.B. url  doi
  Title Menstrual Cycle Abnormalities in Healthy Women With Low Physical Activity: The North-Trondelag Population-based Health Study Type Journal Article
  Year 2014 Publication Journal of Physical Activity & Health Abbreviated Journal J Phys Act Health  
  Volume 11 Issue 6 Pages 1133-1140  
  Keywords HUNT1; HUNT2  
  Abstract BACKGROUND: Menstrual dysfunctions are often found in athletic women. This study evaluated the association between leisure time physical activity (LTPA) and menstrual function in healthy nonathletic women. METHODS: During 1984-1986, a population-based health survey (HUNT 1) was conducted in Nord-Trondelag, Norway, with follow-up (HUNT 2) in 1995-1997. Women < 45 years old in HUNT 2 were included in the current study. LTPA was assessed by questionnaire in HUNT 1 and HUNT 2, and menstrual function by questionnaire in HUNT 2. RESULTS: Adjusted odds ratios (OR's) for long cycles were increased in women who reported < 1 hour of light LTPA (OR = 1.4, 95% CI = 1.0-2.0) and 1-2 hours (OR = 1.3, 95% CI = 1.0-1.8) per week compared with women with >/= 3 hours/week. Adjusted OR for irregular cycles was decreased in women constantly in the lowest tertile of LTPA index in HUNT 1 and HUNT 2 (OR = 0.4, 95% CI = 0.2-0.9). Adjusted OR for prolonged bleeding was 2.6 (95% CI = 1.3-5.4) for women with < 1 hour/week of light LTPA and 2.3 (95% CI = 1.3-4.3) for women with 1-2 hours, compared with >/= 3 hours/week. CONCLUSIONS: Very low physical activity may increase the risk of menstrual cycle disruptions. Moderate PA should be encouraged for optimum reproductive health.  
  Address Dept of Human Movement Science, Norwegian University of Science and Technology, Trondheim, Norway  
  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language English Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 1543-3080 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:25368942 Approved no  
  Call Number HUNT @ maria.stuifbergen @ Serial 1641  
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