Hi,my menstrual cycle is 30 days.i got period on 22 April n had unprotected sex on 3 may I took p2 on 4th may within 13 hours n other 12 hours..n had withdrawal bleeding on 6th may lasts for 5 days and on 16 may I had unprotected sex again but didn't take any pill..I shall get my next period on 21st may but till now I didn't see my period... I took a urine test n it's negative..can I be pregnant or is p2 delay my period am very scared