Hi ,I am 30 years old recently July 16th I take hpv vaccine dose 1 ,after one week I got my period,this time first 2 days brown discharge happened,it's not common for me nd after that bleeding also less ,I consult my gynecologist I asked her hpv vaccine any side effects,she says nothing, my period cycle is 33 days , every time I got my periods without brown discharge, again two days back I got my period this time also brown discharge happened, I want to know hpv vaccine any side effects