HELP ME?!?!?!

Patient: My question is..April 16th I had sex- condom broke.. I bought the plan b pill took it accordingly to directions.May 8th I met someone else we had unprotected sex where he did ejaculate inside of me.I honestly can’t remember the last day of my period..My OBGYN says im due FEB,1,2014 as the computer says JAN,29,2014…Im CONFUSED on who the father is… I need help. I need to relieve my mind. I Just want to make sure its who i’m with now.