Help I'm paranoid I'm pregnant

Last Saturday I dry humped w my Bf fully clothed we both were he did not cum. Then we had oral he still did not cum I can't remember if I touched him or not but I only sucked him for 5 mins. When he was going down on me a few minutes after I touched myself. Idk I'm scared sperm could've gotten on my fingers but I honestly doubt it Bc 1. He didn't cum 2. I picked his pants back up they would've been wiped off & ive touched other stuff before myself. My period comes in like 19 days. Should I be scared ?? I've had this white kinda sticky clumpy discharge. Maybe ovulations coming ?