Wouldn't it be extraordinarily great if you would circle a date on your schedule and have your period appear then, at that point? You'd plan seashore trips around it and you'd never be gotten without a tampon. Tragically, a little variety is typical, The average cycle is 28 days—that's 28 days between the first day of one period and the first day of your next period—but anywhere in between 24 and 31 days is considered normal, Still, a highly irregular period is usually a sign that something else isn't right in your body." Take note of these 10 things that could be messing with your menstrual cycle, and see your doc if anything seems too far off. READ MORE