Journal of Biosocial Science

Research Article

Hepatitis B and the Sex Ratio at Birth: A Comparative Analysis of Four Populations

Anouch Chahnazariana1, Baruch S. Blumberga2 and W. Thomas Londona2

a1 Department of Population Dynamics, Johns Hopkins University, Baltimore

a2 Institute for Cancer Research, Philadelphia, USA


The relationship between hepatitis B infection in parents and the sex ratio at birth of their offspring is examined in four populations. The hepatitis B carrier state in parents may increase the sex ratio of their offspring, but it seems that immunization against hepatitis B is unlikely to affect the sex ratio at birth of future generations.

(Received June 09 1987)