what's going g oh plan b ??

Solast month I had sex with my guy on the 14th i thought I felt some cum but I don't remember exactly , I ended up getting my period on the 17,  after my period was done on the 22nd we had sex again he came in me and then I took a plan b the next day the 24th I was supposed to get it the 19th and I haven't had it yet ? Any thoughts ???