SEX DAY PERIOD ENDED.

Maddie • TTC FOR #1 going on 7 years. step mama

ok soooo I ended my period around 7pm on the 16th. my SO and I had sex around 1130pm. He came inside of me and then went to bed. what are the chances of conceiving? I always thought anytime near period the chances were very slim but it looks like I'll be ovulating early? what are your thoughts??