Ovulation test on cd18/19 but last month I got it on cd17/18/19 So this month I didn't do my first test until cd16 cuz I didn't see any point in testing any earlier as I've been getting my positive ovulation test on cd18 but I've just been getting negative tests this month an I'm starting to think if I've missed it this month an I may of ovulate eariler this month on cd14 maybe couse I think that's when I should be ovulateing anyway isn't it ?? I have a 28/29 day cycle!!!!