Dysuria in pregnancy causes pregnant women at high risk of serious complications. This study is conducted to investigate the incidence of dysuria among pregnant women attending antenatal outpatient department.150 pregnant women were selected. Urine samples and vaginal swabs were taken in each case for investigation. After investigation 120 patients had either acute cystitis or acute vaginitis or both, and in 30 patients neither was the cause. Most cases were in the third trimester and were multigravida. Cause of urinary tract infections were Escherichia Coli (32.97%), Proteus sp. (17.02%), Klebsiella sp. (13.82%), Pseudomonas (11.07%) etc. Candida species and Trichomonas vaginalis were responsible for most of the cases of acute vaginitis. Amikacin and Levofloxacin were the most effective antibiotics against the bacteria isolated. Result indicated that the incidence of urinary tract infections were high among the pregnant women in study area. So urine culture and sensitivity test should be done in routine antenatal check up.