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How does a pregnant woman pass hepatitis b to her baby?

2 doctors weighed in
David Escobar
Family Medicine
2 doctors agree

In brief: Via Shared Blood

The baby receives its blood from the mother via the placenta.
Since hepatitis b is a blood-borne pathogen, it can cross the placenta and infect the baby in utero. The virus can also be passed to the baby during labor and delivery from exposure to the mother's blood.

In brief: Via Shared Blood

The baby receives its blood from the mother via the placenta.
Since hepatitis b is a blood-borne pathogen, it can cross the placenta and infect the baby in utero. The virus can also be passed to the baby during labor and delivery from exposure to the mother's blood.
David Escobar
David Escobar
Answer assisted by David Escobar, Medical Student
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