On Thursday Nov 3rd. My boyfriend decided to finish inside me. I'm not sure if it matters but it was pretty deep. & i was in my fertile days according to my tracker. I'm not on any birth control. About 20 hours later I took option 2, generic plan b. It's been 4 days since I took it. My stomach has been feeling crampy & full of gas. & i have sharp pains in my stomach & breasts at times.. when should the side effects go away?