question: 1st day of my last menstrual period is june 1..my cycle usually is 30-32 days..then we had unprotected sex on june 13 and 14, using pullout method..on june 15 i took nordette as ecp..i then experienced nausea and abdominal cramps..and as of today june 19, i still don t have withdrawal bleeding..what are my chances of getting pregnant?is nordette still effective by the time i took it?thank you very much!will be happy to hear something from you..