Spotting After Ovulation. HELP!

I used the Clear Blue Digital opk and got a solid smile face on Sunday July 26th. My Hubby and I had fun around 12 am the next morning. We also had fun 3 days prior to receiving the solid Peak smile. We had "fun" again that Tuesday July 28th and the next day Wednesday July 29th I started to spot and stil spotting today Tuesday Aug. 3rd. I researched what may have been the issue and implantation bleeding keeps coming up. They say typically it last from a few hours to 2 days at best. I have not taken a pregnancy test yet. Has anyone experienced this? HELP!😊