You are carrying 30 wk pregnancy
and suffering from urinary tract infection
(UTI). It is not harmful to fetus directly but may affect lower urinary tract if untreated.
Drink lots of fluid/water,maintain genital hygiene properly,avoid sexual intercourse, empty bladder in time,use urine alkaliser like Syp Uriliser along with some antibiotics like Ampicilln 500mg/Cap Ampilox
TDS to be taken, Cranberry juice may be helpful.
Do periodic check up to your doctor with continuation of above protocol. Be well.