Levonorgestrel
"So I took plan b one step after the condom broke which was November 21 I took it 1 hour after and I was hoping and hoping it would work because it was one of my fertile days before ovulation. After I took it I looked at the reviews about it on here and I was feeling more calm about knowing it worked on people. So all I could really do is wait till my period came. I was so devastated the pill didn't work because 3 days later I felt like I was ovulating since I got a lot of discharge. But I had to wait since my period was to come December 8. I had no symptoms at all except a lot of discharge. After 2 weeks my period came 1 day early on December 7. So I was relieved that Plan b one step WORKS! Don't stress a lot it works just be patient "