Short light period and spotting 3 days later

Jazmine • XoXo, Jazzie💋

I started my period on the exact day but the whole time it was light red/pink and ended two days early. Ever since I've been on birth Control my period lasted 7-8 days but I'm not on it no more and it lasted 5 days with a lighter flow. 3 days later I'm spotting its very light pink/red. What's wrong with me ?