How is Hepatitis B primarily spread?

The transmission of Hepatitis B is primarily associated with specific ways that involve bodily fluids. Option C correctly identifies the main routes of transmission: sexual contact, from mother to baby during childbirth, and through the sharing of infected needles.

Sexual contact can spread the virus because it is present in bodily fluids such as semen and vaginal secretions. Additionally, during childbirth, a mother who is infected with Hepatitis B can pass the virus to her baby. Infected needles are a significant risk as well, particularly in the context of intravenous drug use, where sharing needles can introduce the virus directly into the bloodstream.

This understanding of transmission routes is crucial in preventing the spread of Hepatitis B, as it highlights the importance of safe sexual practices, maternal screening, and reducing needle sharing among drug users.