Hi it has been 10 days since intercourse and I have been nausous, headaches, brown bleeding. But 2 of the days I had horrible cramps and stomach pains. It did not feel like implantation cramps. I know these are signs of ectopic pregnancy but could it also be because I was late on my pill the day after intercourse. I go to the dr. in 4 days to see if Im pregnant but I shouldnt have been cramping so bad, Right? The bleeding only lasted 2 days as well...