Abstract:Objective To explore risk factors of female infertility with emphasis of work and environment exposures.Methods From October 8, 2012 to January 8, 2013, we conducted a questionnaire survey at the outpatient service in Peking University Third Hospital. The questionnaire included demographic information, personal habits, and exposure to some environmental factors. We took the female infertility as case group (n=352), while the natural pregnant women as control group (n=413).Results Univariate analysis revealed that two groups were different in some life style and environmental factors such as second-hand smoking, fried food intake, perfume use, working in the air-conditional environment, lack of exercises and some other factors. Unconditional Logistic regression analysis showed that the higher level of education, insomnia (OR=2.6, 95 % CI: 1.7~4.0), irregular menstruation (OR=3.1, 95 % CI: 1.8~5.3), fried foods (OR=2.0, 95 % CI: 1.2~3.3), the poor environmental residence (OR=1.9, 95 % CI: 1.4~2.7) and some other factors were risk factors for female infertility.Conclusion Female infertility is associated with life style and environmental factors. Reproductive health education should target these factors to reduce the risk of female infertility.
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