A 35-year-old pregnant woman at 32 weeks of gestation is referred for management of hepatitis B virus (HBV) infection. She is HBsAg and HBeAg positive, with an HBV DNA level of 350,000 IU/mL. She has no symptoms of liver disease, and her liver function tests are normal. The healthcare team discusses initiating antiviral therapy to reduce the risk of perinatal transmission. What is the recommended antiviral therapy for a pregnant woman with hepatitis B and a viral load >200,000 IU/mL to reduce perinatal transmission?