Had unprotected intercourse on 26th June 55days before no ejaquation. Have regular period 27-32 days. Took Ipill within 21hours cycles 26th day.Got period like bleeding on cycles 28th day which lasted 5days. 31days after that period got second period like bleeding which lasted 4days only my period usually lasts 5days. 2days were normal flow,1day light,4th day On Tissue. Is it my period or Pregnancy bleeding? (took 2UPT s after 46day of intercourse both negative)