Did anyone not get a positive until 14dpo and later?

Period is late! I’m only 12dpo. (I ovulate like clockwork every month at day 18-19 and my cycle is 27-28 days long.) not fully able to tell from the tests I’ve been taking.. I feel like I see a line but no obvious positive. I’m wondering if anyone didn’t get a full positive until later?

Currently on CD 31. Never been late before