4.3 Article

Premature menopause and autoimmune primary ovarian insufficiency in two international multi-center cohorts

期刊

ENDOCRINE CONNECTIONS
卷 11, 期 5, 页码 -

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BIOSCIENTIFICA LTD
DOI: 10.1530/EC-22-0024

关键词

premature ovarian insufficiency; premature ovarian failure; premature menopause; primary ovarian insufficiency; autoimmune

资金

  1. Stiftelsen Kristian Gerhard Jebsen
  2. Norwegian Research Council
  3. University of Bergen
  4. Regional Health Authorities of Western Norway

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This study investigated markers of premature menopause and the prevalence of autoimmune primary ovarian insufficiency (POI) in European women. The results showed that premature menopause was associated with nulliparity, obesity, osteoporosis, hormone replacement therapy, and never smokers. It was found that 1.1% of women had idiopathic POI and 4.5% of POI cases were likely of autoimmune origin based on positive steroidogenic autoantibodies.
Objective: To investigate markers of premature menopause (<40 years) and specifically the prevalence of autoimmune primary ovarian insufficiency (POI) in European women. Design: Postmenopausal women were categorized according to age at menopause and self-reported reason for menopause in a cross-sectional analysis of 6870 women. Methods: Variables associated with the timing of menopause and hormone measurements of 17 beta-estradiol and follicle-stimulating hormone were explored using multivariable logistic regression analysis. Specific immunoprecipitating assays of steroidogenic autoantibodies against 21-hydroxylase (21-OH), side-chain cleavage enzyme (anti-SCC) and 17alpha-hydroxylase (17 OH), as well as NACHT leucine-rich-repeat protein 5 were used to identify women with likely autoimmune POI. Results: Premature menopause was identified in 2.8% of women, and these women had higher frequencies of nulliparity (37.4% vs 19.7%), obesity (28.7% vs 21.4%), osteoporosis (17.1% vs 11.6%), hormone replacement therapy (59.1% vs 36.9%) and never smokers (60.1% vs 50.9%) (P < 0.05), compared to women with menopause >= 40 years. Iatrogenic causes were found in 91 (47%) and non-ovarian causes in 27 (14%) women, while 77 (39%) women were classified as POI of unknown cause, resulting in a 1.1% prevalence of idiopathic POI. After adjustments nulliparity was the only variable significantly associated with POI (odds ratio 2.46; 95% CI 1.63-3.42). Based on the presence of autoantibodies against 21 OH and SCC, 4.5% of POI cases were of likely autoimmune origin. Conclusion: Idiopathic POI affects 1.1% of all women and almost half of the women with premature menopause. Autoimmunity explains 4.5% of these cases judged by positive steroidogenic autoantibodies.

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