Urinary tract infection is common among pregnant women. It can be either asymptomatic or symptomatic. This study was done on 225 pregnant women which comprised of both asymptomatic and symptomatic urinary tract infection in the Department of Microbiology Patna Medical College and Hospital, Patna and Department of Biotechnology and Microbiology GLA University, Mathura. The prevalence of asymptomatic bacteriuria in the present study was 7.42%, while for symptomatic cases it was 76%. E.coli was the commonest organism responsible for bacteriuria. Semi quantitative culture remains the gold standard for detecting bacteriuria. Of the different antibiotics used Amikacin, Nitrofurantoin, Meropenem, Piperacillin-Tazobactum were the most effective drugs in order to treat bacteriuria.