Hi,I'm 15 Weeks And 4 Days Pregnant And About 4

Hi,I'm 15 weeks and 4 days pregnant and about 4 days ago I have itchy urethra, when I tuch it burns a little. I have no issues when I urinate and have no burning or itchy vagina. No smell, rare clear non smelly discharge, what I supposed is normal in pregnancy.
What could this be, how can I treat it?
I have an appointment with my OBGYN Tuesday next week. Should I wait or contact my doctor tomorrow?
Thank you