HELP!

Lexy • 21, full time stay-at-home-mom. ❤ Kaitlynn Marie👶 & Josh Delvige💑💕
Okay, so i dont know if im over-thinking things or if i could possibly be pregnant.me and my bf had an intercourse i wasnt supoose to get my period till around the 23-26 it usually is very heavy blood flow .when we we did it i started bleeding that was on the 15 i had light bleeding for several days and on an off during the days. Idk whats going on?