So I had sex on CD 10. These were the lengths of my previous cycles: 29, 27, 23, 25, 27, 26, 26, 24, 27, 27, 24, 30, 25, 21, 25 Any chance of pregnancy? Submitted August 22, 2021 at 11:11PM So I had sex on CD 10.These were the lengths of my previous cycles: 29, 27, 23, 25, 27, 26, 26, 24, 27, 27, 24, 30, 25, 21, 25Any chance of pregnancy?