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Late ovulation question

Monica • Wed, Apr 23 • I`m a 30 year old military wife and mother to our 9 year old son, Rylan and daughter, Maci who is 4.

So I've been using opk's for 6 months now and TTC for 4. I have a 35 day cycle and I have always gotten an opk at CD 20 which has lasted for two days. So this month I never got a pos opk and I tested until CD 24. Well I had one opk left so on the evening of CD 27 I took an opk and it was so dark it was almost pos. then on CD 28 I had slight cramps/pain in my uterus. But my CM wasn't consistent with O like it wasthe week of CD 20. Anyways, what I'm curious about is if I O'd later than usual will my AF arrive later than expected? Here's my chart, but ignore the fertile days since I never got a +opk and then just stopped tracking.