Pregnant During Ovulation?

Deryn
Quick question, my fiancé and I had sex about an hour ago and it was unprotected. Very intense.. but he didn't finish in me he pulled out ..  We look at my <a href="https://play.google.com/store/apps/details?id=com.glow.android">Ovulation calendar</a> and I'm ovulating today... should we have something to worry about? My period is due the 1 or 2 of may? 
Any thoughts?