Levonorgestrel
"Had unprotected sex (I know dumb) on my ovulation day and he decided to finish inside (dumb again) I bought this pill about 8 hours later. No side effects and my period came right on schedule. After taking it I read all the reviews here. A lot negative and have been a nervous wreck since. I conceived all my kids on first try so I get pregnant easily... don't worry or stress if you're reading this. It definitely works!"