Could this be amniotic fluid?

Lauren

I need some advice. I’ve always work a panty liner this whole pregnancy due to discharge. Today I went to the store and didn’t wear one. Came back and my panties were soaked, but wasn’t sure if it was sweat. So I changed undies, took a nap, and now they look like this. I’m not sure. It does smell a little sweet but also smells a little like urine; I don’t know. Should I go to L and D and get it checked. I didn’t feel a gush or anything.