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Hepatitis B virus (HBV) when transmitted vertically can be severe on neonates and life threatening. Amongothers, risk factors for HBV include unprotected sex, needle-stick injuries and blood transfusion. The studywas conducted to determine the seroprevalence of HBV markers and associated risk factors among onehundred and sixty consenting pregnant women attending some hospitals in Kano, Nigeria. Using enzymelinked immunoassay, sera were screened for HBV sero-markers and structured questionnaires wereadministered to obtain sociodemographic data and possible predisposing factors to HBV infection. Of thefive HBV markers known, participants tested positive for four, which include HBsAg, HBsAb, HBeAb andHBcAb. All were seronegative for HBeAg. Ninety three percent (93.1%) tested positive for at least oneHBV marker and 6.9% were seronegative for all markers. Among those that tested positive for HBsAg,54.5% (p=0.33) were housewives, 36.4% (p=0.53) had only primary school education, 72.7% (p=0.14) weremiddle-class, none had previous knowledge of HBV infection and its mode of transmission, 54.5% (p=0.14)regularly shares sharp objects, 45.5% (p=0.37) had ear or nose piercing, and 9.1% (p=0.01) regularly sharestowel and underwear. A large percentage of the study group had history of the infection while only 1.3% ofthe subjects were vaccinated. Sociodemographic background of the participants, low vaccination coverageand certain risk factors like the sharing of unsterilized sharp objects seem to aid the moderately highprevalence of HBV in this study. The study also revealed that the risk of mother-to-child HBV transmissionis low in the study area and that incomplete vaccination may not confer artificial immunity against HBVinfection.

Predisposing Factors to HBV Among Pregnant Women Attending Some Hospitals in Suburbs of Kano, Nigeria