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KMID : 0358420170600040362
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Korean Journal of Obstetrics and Gynecology
2017 Volume.60 No. 4 p.362 ~ p.368
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Relationship between age at last delivery and age at menopause: The Korea National Health and Nutrition Examination Survey
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Shin Yeun-Joo
Song Ji-Yong
Kim Min-Jeong
Choi Jeong-In
Han Kyung-Do
Lee Hae-Nam
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Abstract
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Objective: We used data from the 2010 to 2012 Korean National Health and Nutrition Examination Surveys to investigate whether the age at menopause is related to age at last delivery.
Methods: This was a cross-sectional study of the data for 714 women who became menopausal within the 3 years preceding the Korean National Health and Nutrition Examination Survey.
Results: Smoking, exercise, drink, educational level, and income were adjusted in model 1, and the mean ages at menopause were 50.5±0.3, 51.2±0.2, 51.2±0.3, and 50.2±0.4 years for women with <25, ≥25 and <30, ≥30 and <35, ≥35 years age at last delivery, respectively (P=0.049). Smoking, exercise, drink, educational level, income, age at first delivery, age at last delivery, and gravidity were adjusted in model 2, and the respective mean ages at menopause were 50.5±0.5, 50.7±0.4, 50.3±0.4, and 49.2±0.5 years (P=0.03). In both models, older age at last delivery showed higher age at menopause compared with women with younger age at last delivery.
Conclusion: Korean women with older age at last delivery were associated with younger age at menopause. Increased number of pregnancies was related to older age at menopause.
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KEYWORD
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Korean National Health and Nutrition Examination Surveys, Last delivery, Menopause
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