Help!

Ashly
Okay so my period started exactly when it was supposed to and went on for four days then stopped now two days later I'm spotting (light spotting). I don't know what to do! My boyfriend and I had unprotected sex on the 7th of May (period started on the 12th) but I have also been really stressed out from tests, preps for finals, etc. so please help me! Do you think I'm pregnant or just have a hormonal imbalance?  (P.s. Please don't say get a pregnancy test. I know that's what you're supposed to do but I'm 16 and too afraid to confront my parents 😞 if there are any home/natural pregnancy tests that I could do, please don't be afraid to share them 😔)