Might be pregnant

So I’m 3 weeks late. I have an IUD but never been this late. I took a test after a week and a half then another after 2 and 1/3 weeks and were all negative. But my period still hasn’t come and I don’t think I’ve had any other signs of pregnancy but idk what to do. If I should wait another week or go see a dr. Plus kinda wanna talk w my mom but at the same time I don’t.