pregnancy

my boyfriend and l had sex 5 days ago (the 8th) and l was on my period but l was very light. we used a condom but it broke. l took the Plan B pill not even an hour after it happened and now today l had hot flashes and l when l went to the bathroom, this came out when l wiped. l finished my period 2 days ago with spotting yesterday. Not sure what it is ! am l pregnant or scaring myself ?