Prevention of vertical transmission of hepatitis B virus infection

Table 1 Recommendations for antiviral treatment in pregnant women with chronic hepatitis B virus infection

Societies	Antivirals	HBV-DNA level	When to start treatment	When to stop treatment
American Association for the Study of Liver Diseases[25]	Tenofovir disoproxil fumarate	> 2 × 105 IU/mL	28-32 wk	At birth to 3 mo
European Association for the Study of the Liver[24]	Tenofovir disoproxil fumarate	> 2 × 105 IU/mL	24-28 wk	Up to 12 wk after delivery
Asian Pacific Association for the Study of the Liver[70]	Tenofovir disoproxil fumarate, telbivudine	> 106-7 IU/mL	28-32 wk	At delivery
Chinese Medical Association[71]	Tenofovir disoproxil fumarate, telbivudine, lamivudine	> 2 × 106 IU/mL	24-28 wk	At delivery
National Institute for Health and Care Excellence[72]	Tenofovir disoproxil fumarate	> 107 IU/mL	3rd trimester	4-12 wk after birth

HBV: Hepatitis B virus.