Hi.. Am Ayeesha, I Am 20 Years Old,since When I

hi.. am ayeesha, i am 20 years old,since when i started my period it has always been irregular either spending 2-3 months without seeing it or having an overflow for more than the normal days, some doctors said it will correct itself with time..but i still no improvements,begining of this year i was on medication,i took cyclopogynova for three months to correct it, it started getting normal but it has gone back to the way it used to be.. i noticed something if i want my period to be regular i have to be on a fertility drug,,like promulut N..i was once scanned and the gyny said i was ok,,,pls what do i do, should i stop disturbing my self thinking am infertile or wont be able to concieve in the future or is it natural for somen women to have irregula periods,,,thank you