So I got my period this month early it was spotty and light instead of heavy and lasted 3 days normal pms strange bleeding then 3 weeks later I got it again but it was spotty for a day then super heavy for a day then spotty again this time no pms cramps or anything soooo confused any ideas?
I'm 20 and not a virgin sexually active

You should try taking a pregnancy test.. Just in case.. If not go talk to your doctor