Pregnancy Possibility?

Megan

My SO & I had sex Saturday [9/9] & he finished inside of me for the first time ever in our relationship. It was Day 1 of ovulation for me. What are the odds of me being/getting pregnant? Not ttc but will be happy either way. I'm just paranoid because he's been so cautious to use condoms/pull out for the past 2 1/2 years.