Yes, I have. And I was pregnant two weeks later. Keep taking care of yourself very well if you suspect that you might be pregnant. What are your boobs telling you?
My boobs don’t hurt
Even if you're usually running like clockwork, 3 days late is not something to be concerned about as so many temporary things can change the length of a cycle at any random point. Diet, exercise, sleep, stress. I wouldn't worry something is wrong until 5 days late but even then, if you're not pregnant then it's still more likely one of those things.
Mine is 2 days late