A multi-centre evaluation of significant bacteriuria among pregnant women in the cascade of referral health care system in North-western Tanzania: bacterial pathogens, antimicrobial resistance profiles and predictors.

•The prevalence of significant bacteriuria among pregnant women in this multicentre study in Tanzania was high.•Antimicrobial resistance was marked in the tertiary hospital.•The need for health facility level-specific antimicrobial stewardship is highlighted.