Any success stories after getting a negative on 13dpo?

I tested with a cheapie on 13dpo and it was negative and af is due today but normally show up by noon when I get it. And it is 4pm and she still isnt here.

I’ve been crampy for the past 3 days and very fatigued. Ovulation was confirmed with opk and bbt.

I’m just looking to hear others experiences. I’ve seen a few where people didn’t test positive until 16dpo on a few other forums.