My First Obgyn Visit For My Pregnancy I Found Out

My first obgyn visit for my pregnancy i found out that i had a UTI and took the antibiotics that were given to me (finished the dosage Thursday of this week). On Tuesday of this week (3/15/16) i had my first ultrasound vaginally at 9 weeks... The next day I was sore but read it was normal with the ultrasound being vaginally... My fiance and i had sex early thursday morning had no pain or anything..and sense thursday night i am having suveir itching and i take showers 2-3 times daily...

What should i do??