If you've never had one before, a yeast infection can be a bit tricky to spot. The common symptoms such as itching, discharge and irritation can also be caused by other things. As far as a missed period goes, I've never heard that as a symptom of yeast infections. There are many reasons you might miss a period. WebMD Symptom Checker helps you find the most common medical conditions indicated by the symptoms itching or burning, missed or late menstrual period, vaginal discharge and vaginal odor including Perimenopause, Ectopic pregnancy, and Vaginal yeast infection. An ectopic pregnancy.