Pregnant?

I had unprotected sex on March 29th and April 1st and my Ovulation day was April 3rd and my fertility window ended in the 9th but should o be worried about being pregnant I’m 12 dpo and This App <a href="https://play.google.com/store/apps/details?id=com.glow.android.eve">Eve</a> says period in 7 days then have another app that says that there are 3 days left for my period so should I take a test soon or wait it out all comments are welcome please no negativity