I'm on birth control i've skipped 6 and took the others during that time i've had unprotected sex with my fianc now i have dark spotting and cramps?

Birth Control Pill: You screwed up. The bleeding if probably from skipping pills. You should however get a pregnancy test.

There are several possibilities.: Stopping your birth control could cause you to bleed. You have changed your natural cycle by stopping the pills. Taking a bunch of pills (which is what this sounds like) does not bring you back to normal. If there is a possibility that you may be pregnant you need to see your dr.