Hi There, Past Month- Finished One Period, The Continued To

Hi there,
Past month- finished one period, the continued to have dark brown spotting every day through this month till 6 days ago when I began my most recent period. The first three days flow were ridiculously heavy (changing a super tampon every hour) and I had a lot of pain. The bleeding has since ceased as my period has ended however two additional concerns are contributing to my worry: 1) the last time I had sex, I bled, and I have been experiencing intense bloating for the last few months leading up to each period. Wondering whether this is worth checking out?