Risk factors associated with hepatitis B virus infection among pregnant women attending antenatal clinic at Felegehiwot referral hospital, Northwest Ethiopia, 2018: an institution based cross sectional study.

The overall prevalence of hepatitis B virus infection among pregnant women were 16 (4.7%) (95% CI 2.7, 7.7). Having a history of blood transfusion (AOR = 5.2; 95% CI 1.2-22.3), having a history of multiple sexual partners (AOR = 4.6; 95% CI 1.1-19.6) and having a history tonsillectomy (traditional surgical procedure) (AOR = 3.4; 95% CI 1.1-10.1) were the significant risk factors for hepatitis B virus infection.