Epidemiological Analysis on Related Factors of Male Infertility in Shandong,China

Objectives: To explore factors affecting male infertility to provide evidence for the etiology, prevention intervention and reproductive health services for male infertility. Methods: A total of 16,286 male patients from 2011 to 2016 in Reproductive Hospital Affiliated to Shandong University, China were selected. We conducted surveys on these cases and analyzed the influencing factors of male infertility using logistic regression models. Results: Univariate logistic regression analysis results showed that there was a statistically significant difference in educational levelcareer distribution and smoking between the case group and the control group (p<0.05)After controlling confounding factors in the multivariate logistic regression model, suffering from mumps or varicocele or orchitis (OR=1.228, p<0.001) in the past and smoking (OR=1.159, p=0.010) was associated with male infertility. Conclusion: Suffering from mumps or varicocele or orchitis in the past and smoking could increase the risk of male infertility. Measures should be taken to reduce the incidence of male infertility