Experts in period pain
Knowing when your period is due each month can be really useful - you can make a note of the dates in your diary to remind you to pop a couple of tampons or sanitary towels in your bag and have some painkillers to hand so the cramps don't catch you off guard.
To save you counting the days on a calendar to find out the likely start dates of your periods for the next 12 months, use our Period Predictor calculator to do the calculations for you. Simply enter your details in the Period Predictor and click GO.