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KMID : 1007320090150020116
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Journal of the Korean Society of Menopause
2009 Volume.15 No. 2 p.116 ~ p.123
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Menstrual Status and Bone Mineral Density Among East Asian Immigrants in Korea
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Kim Hyun-Jin
Jeong Kyung-Ah
Chung Hye-Won
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Abstract
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Objectives: This study is to investigate the correlation between menstruation and bone mineral density among East Asian immigrants in Korea.
Methods: The subjects were 1,078 East Asian women (vietnamese and Cambodian) who immigrated to Korea for marriage. The age, height, weight, and body mass index (BMI) were measured. Body composition was evaluated by In body 230 and Bone mineral density (BMD) of distal radius was measured by peripheral DEXA. Their lifestyles and history of menstruation were examined by questionnaires and interviews. Blood samples for hormonal assay were drawn in participants during early follicular phase.
Results: The mean age was 23.6±4.9 years. The mean height (154.7±5.1 cm) and weight (49.8±6.9 kg) were smaller than Korean women. BMI was 20.8±2.7 kg/m2 and body fat mass was 14.5±4.8 kg. The mean BMD was 0.45±0.06 g/cm2. The age-related BMD-Z score was ?0.71±0.95, which is lower than Korean women. BMD were decreased (Z＜?2.0) in 9.43% of immigrants. The body fat mass (Pearson coefficient 0.211. P=0.01), BMI (Pearson coefficient 0.312, P=0.01) and weight (Pearson coefficient 0.288, P=0.01) significantly correlated with BMD. There were no significant correlations found between the BMD and menstrual frequency, regular exercise, alcohol and smoking. Their menstrual status and hormonal levels were normal.
Conclusion: The number of East Asian immigrants is rapidly growing in Korea. Since their BMD is quite low even in the age reaching peak bone mass, it is important to take account of the relation with menstrual status and body fat mass in order to prevent from osteoporosis.
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KEYWORD
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East Asian immigrants, Bone mineral density, Menstruation
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