Plan B he pulled out spotting now?

Hey so I took plan be June 21 11 hours after.

June 20 was when this thing happened.

I got off BC June 10. And had a withdrawal bleed June 12-16. Been on BC for six months.

July 2 I started spotting and today I’m still spotting a little?? I took a pregnancy test today since it’s July4 2 weeks have passed and it’s negative

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Did anyone else have spotting !?!