Fig. 2From: Prevalence of reproductive tract infections among women preparing to conceive in Chongqing, China: trends and risk factorsThe trend of the prevalence of RTI among childbearing women from 2012 to 2016. The trend of the prevalence of RTI stratified by a age, b education level, c gravidity, d parity, e history of spontaneous abortion and f history of induced abortionBack to article page