Talk to Gynecologist on Periods Issue

assalm o alikum.. plz help mai kafi zyada pareshan hon.. age 24.. shadi 2months bd hai.. mjje periods 7th days mai se sirf 2days aty thy, june k month tak.. or ub July month mai 1st day sirf aye.. or bht zyada pain.. jo mjhe kbhi pehly nh hoa.. or ubhi bhi mjhe shadeed pain hai... k mai so nh paarhi, dosri bat ye k meray tummy par stretch marks red colour k bht zyada honay lgy hain.. Kia ye periods ki wajha se tw problem nh..?? plz help krdi jyay koi medicine or koi doctor btaden kindly