Change of pregnancy AFTER ovulation?

Me and my husband BD 3 days after I ovulated. This is my first month <a href="https://play.google.com/store/apps/details?id=com.glow.android">tracking ovulation</a> and I O'd on CD 13, BD on CD 16. I have attached a photo of my ovulation tracking. Please let me know what you girls think :) thank you in advance!