Peak fertility reading on ClearBlue

Mama0301 • Proud mother of an angel 💕
How soon should i have sex after seeing the peak fertility reading? Is once a day good? Should it be more than once a day? I had to wait till i got off work and it wasn't till almost 12 hours after seeing the result that we were able to do anything since we both worked. Worried i will not get pregnant because of this...any advice??