Answer by
MathWiz (1408)
There is no relation. However, stress can cause PVCS and stress can certainly cause your menstrual cycle to not be regular. PVCS itself should have no effect on your menstruation. Any irregularity in your menstrual cycle is due to something besides PVCS. Other things that can cause PVCS like drugs, smoking, and caffeine, can also cause menstrual irregularities.