blood everywhere

You guys I hade sex with my best friend like last week and before that happen my doctor but me on pregnecy pills to control my period since I'm irregular and well I didn't drink them the right way Cuase I forgot and well my period stared wean I was having sex has soon has we fisnish my vagina explored like blood and he ask are you in you're  period and I told him no! Cuase I was on my period last months that impossible I'm irregular point is my period was suppose to end on wendsday and I'm still bleeding!!!😰😰😰 help pleaseeeee