uti blood

So I’m pretty sure I have a uti, I woke up Sunday morning and when I pee it burns and I always have the urge to pee and I’ve had a lot of UTIs before and they’ve always felt like this, but today I noticed mucusy like orange-reddish blood in my pee, it was just like a little blob . I’m suppose to start my period Friday and I’m planing on going to the doctor soon but I’m freaking out .

And I know it’s not an std