Talk to Gynecologist on Periods Problem

assalamualaikum, mairi age 22 hy. or mujhy periods problem hy. mtlb hr month pehly hojaty takrebn 1 sal sy aisa hora hy.for example aik month 7 ko hoay to next month 2 ko us k bad 26 ko. date pechy jati hy hr month chnge hti or Kuch din pehly hojaty.