Although I know not using protection isn't smart and extremely careless, a few weeks ago my boyfriend and I had unprotected sex and he finished inside me. It was the second day of my period so I was pretty heavy. We both went and got a plan B pill that same day, but even a few weeks later I'm spotting. Is this normal? I've never had to go through this before & I know implantation bleeding could occur on the off chance I was pregnant. I just don't want to freak myself out about being pregnant, especially when I know the chances of becoming pregnant during your period are really low. I know spotting can occur from taking plan B but cannot occur even a few weeks after taking it?