DH and I have been ttc for 5 years now. I'm normally a 35 day cycle. lmp was July 5 I spotted on the 31st and got ewcm today so I took an opk and it was positive. I should be getting af in 4 days. did I O later than I thought? I took an apt yesterday and it was negative. This happen to anyone else or am I just having an off month?