text: i am really worried. my periods are irregular all the time. please help? ok, i know this is really gross but i have been on my periods for nearly a year and they have always been regular. recently they have come at really random times. should i be worried? serious answers please! im assuming your young dont worry they will  get regular and rememer if they  come every 28 days  witch is really comman it wont  be on the same day of each month if you started  on the 1st one month it would the 29 of the same month when it came again then  in 28 more days .. you c? so check your dates you might be right on time ..start marking your calander  and count the days between  so you get to know your own body