Is it too late to conceive?

I’ve been tracking my ovulation with opks since December and it’s always around CD 16&17 that I get a positive opk. This month I started testing CD 13 because I was out of test and my household was sick but opk was positive. I didn’t baby dance until two days later because my husband had Covid. Is there still a chance of conception? Can anyone explain the timeframes please. I tried reading up on google but everything has different timeframes. Just wondering if I should even test.