It is possible as a yeast infections may cause menstrual irregularities, such as a missed period. Due to estrogen binding receptor protein produced by candida (yeast organism that causes human infection) locks onto estrogen specifically. When you lack estrogen, you will could have some interference in your period. Thus, since a large amount of Candida can lower the level of estrogen in your body, you may develop irregular periods. But always remember to go see your doctor to make sure you are getting the proper treatment.