Background: Bacterial vaginosis and its related organisms have been linked to higher risk of sexual acquisition and transmission of the human immuno deficiency virus (HIV). The association of bacterial vaginosis with higher rates of late miscarriage; preterm prelabour rupture of membranes, chorioamnionitis and preterm births has been documented. These factors have implications for mother to child transmission (MTCT) of HIV. It is therefore pertinent to document the prevalence of bacterial vaginosis among HIV positive women in our setting. Objective: To determine the prevalence of bacterial vaginosis between HIV positive pregnant women compare to those who are HIV negative in JUTH-Jos. Study design, setting and subjects: A cross sectional study was carried out among HIV positive pregnant women as the study group and HIV negative pregnant women as controlled group at the antenatal clinic of the Jos University Teaching Hospital (JUTH), Jos. Main outcome Measures: Bacterial vaginosis status among HIV positive and HIV negative pregnant women at the antenatal clinic, JUTH-Jos. This was compared using the chi square test to determine if there is a statistically significant difference in the two groups.