I feel lost and confused

I had a miscarriage 3.5 years ago and I finally got a positive on 3 tests at 10dpo and11dpo and today at 12 dpo. They were faint and not bold like those who maybe are further along but I was spotting a little after my last test and it was brown. I just started to get cramps in my right side behind my hip and needed to pee so bad so I went and I was going to retest because my mind would not stay calm. I peed in the cup and it was red urine and I don’t believe it was blood in my urine but I can’t tell if I’m going to be able to carry or if this will lead to another MC.

Has anyone bled a little red while being pregnant before? Is this normal or am I crazy?!