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  • Title: Prevalence and Risk Factors of Infertility for Han, Uygur, and Kazakh Ethnicities in Xinjiang Rural Residents.
    Author: Zhao J, Wang S, Gao Q, Cai X, La X.
    Journal: J Reprod Med; 2015; 60(9-10):415-22. PubMed ID: 26592068.
    Abstract:
    OBJECTIVE: To estimate the prevalence and associated factors of current infertility for Han, Uygur, and Kazakh ethnicities in Xinjiang rural residents. Chinese Uygur, Kazakh, and Han populations represent > 90% of the total population of the Xinjiang Uygur Autonomous Region, and their customs, culture, and food consumption are different. The effect of ethnic differences on infertility risk factors is rarely studied. STUDY DESIGN: A cross-sectional study of 5,086 married and common-law couples, with a female partner aged 18-49, living in Hami, Kuche, or Xinyuan counties in Xinjiang, China. General information for the study subjects, including demographic characteristics, life customs, sexual history, history of contraception use, and history of disease, was collected by questionnaire. General health, gynecologic examinations, and sociodemographic characteristics were also carried out. RESULTS: A total of 5,086 females from Xinjiang Province were surveyed, including 493 with infertility. The standardized prevalence rate of infertility was 9.7% (95% CI 8.9-10.5), and the prevalence of infertility in Han, Uygur, and Kazakh ethnicities was 6.8% (95% CI 5.7-7.9), 10.9% (95% CI 8.0-13.8), and 10.1% (95% CI 7.4-12.8), respectively. CONCLUSION: The present study suggests that the prevalence of infertility was lower in the Han as compared to the Kazakh and Uygur ethnicities.
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