Objective: To determine the prevalence and characteristics of bacteria vaginosis among first time antenatal clinic attendees at Ahmadu Bello University Teaching Hospital Shika-Zaria. Design: Cross sectional study Setting: Antenatal clinic, Ahmadu Bello University Teaching Hospital Shika-Zaria Subject: Two hundred and twenty eight consecutive booking clients were enrolled for the study spanning a period of three months (AprilJune 2008)