What Is The Treatment For Irregular Menstruation?

Hi doctor my name is shannu
i have irregular period for this one month
i m worrying of this problem
for me some time down stomach paining but it dint came and actually i have problem in skin .i m going for treatment that doctor said to me tat to go check periodical doctors. and to take blood test so tomorrow going to check tell why irregular period for me any problem for me i m worrying this for one month...................