There are several factors which can increase the likelihood of a yeast infection. By answering the following questions, you can find out whether or not one or more of these factors may apply to you. In any case, some women are more susceptible to an infection than others. One woman could have many risk factors without an infection even occurring, whereas another woman under the same conditions could develop an infection. This could be due to, among other things, the present state of the immune system, physique, genetic predisposition, or external factors. This checklist will help you find out if you are at risk of contracting a yeast infection.