Heart broken

Tamarrah
So I posted a pic of two positive test on Monday and today I had bleeding 
​I have mild crAmps Nd Lots of Lower back pain went to the er they said my blood test came back positive but the levels were low so I could possibly be miscarrying and to come back in two days and see if they lowered or not they also told me I had a uti and my mother along with things I read said that the uti could be my reason for pain as well as bleeding I am very early in pregnancy maybe 3/4 weeks so I'm hoping that's why my levels were low ....idk what to do for two days I can't stop crying