🚨🚨🚨Okay ladies so I'm confused on what could be going on with my body my period only lasted 1 day…

🚨🚨🚨Okay ladies so I'm confused on what could be going on with my body my period only lasted 1 day and then I've been spotting very little light pink spotting and I'm been cramping in my lower back I'm on the pill and take it everyday but could it be possible I could still get pregnant has any other moms on her got pregnant on the pill? 🚨🚨🚨