Hcg levels 17 weeks

I came to ER because I had some spotting. Very tiny bit but I was concerned. Checked blood and did ultrasound baby looks great and cervix is closed but I have a UTi and almost maybe BV but I’m concerned cause at my 16 week appt my HCg was 34005 and now today at 17 weeks 2 days it says hcg is 17010 😕