Depends on what ovulation tests you were using, how often you were testing per day and at what times of day. You could have just missed it
@Charley I test every day first thing in the morning. Also started using the smiley face tests and no positive either 😔
Ovulation tests in my experience aren't fully accurate especially if your hormones aren't "normal" from having a long active birth control. It can take awhile for it to go back to normal. With that said, sperm can live in your body for up to 72 hours after intercourse. You'll see a lot of articles and such stating anytime during your Ovulation cycle 3 days before and 3 days after.