Guo Wen, Department of Infection (Hepatitis Specialist), Guangzhou First People’s Hospital: It is possible for a pregnant woman with hepatitis B to pass the hepatitis B virus to her baby. The main reason for this is that after the water breaks during labor, the fetal blood is exchanged with the mother’s blood, and the hepatitis B virus enters the baby’s body and is transmitted. Very few babies are infected in the womb. However, in recent years, science has developed, even for pregnant women with triple positive, as long as the baby is injected with anti-Hepatitis B immunoglobulin and Hepatitis B vaccine within 12 hours after birth (preferably within 6 hours), and then injected twice thereafter. The vast majority of babies can be protected, and about 95% of babies will not be infected with hepatitis B. About how to find out if your baby is carrying the hepatitis B virus. You can find out if your baby is carrying the hepatitis B virus by giving him a blood test after birth. Patient: Thank you. What I want to ask is whether it is possible to find out if the baby is carrying the virus during pregnancy? Guo Wen, Department of Infection (Hepatitis Specialist), Guangzhou First People’s Hospital: There is no good way to find out if your baby is carrying the virus during pregnancy.