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Hepatitis B Management in Pregnancy

Maternal screening, antiviral therapy, and neonatal immunoprophylaxis to prevent vertical transmission

Written by: Saygı Hospital Health Guide Editorial Board
Last updated:

This content has been compiled by the Saygı Hospital Health Guide Editorial Board and is periodically reviewed by a specialist physician.

References (5)

This content is for informational purposes only and does not constitute medical advice. You can book an appointment at our Kadın Hastalıkları ve Doğum department. Book Appointment →

What is Hepatitis B Management in Pregnancy?

HBV is a partially double-stranded DNA virus causing acute and chronic hepatitis.

Vertical transmission occurs primarily at delivery (intrapartum), rarely transplacentally or via breastfeeding.

Universal HBsAg screening of all pregnant women at first prenatal visit is standard.

High maternal viral load (HBV DNA > 200,000 IU/mL) is the strongest predictor of vertical transmission despite immunoprophylaxis.

Combined hepatitis B immune globulin (HBIG) and HBV vaccine within 12 hours of birth provides 90-95 percent protection.

Antiviral therapy (tenofovir) in third trimester for high viral load further reduces transmission.

Symptoms

Most chronic HBV infections are asymptomatic.
Acute hepatitis: fatigue, anorexia, nausea, right upper quadrant pain, jaundice.
Decompensated cirrhosis (rare in reproductive age): ascites, encephalopathy, variceal bleeding.
Postpartum HBV flare in 10-20 percent of patients within 6 months of delivery.
Asymptomatic carriers may have normal ALT and inactive disease.
Extrahepatic manifestations: polyarteritis nodosa, glomerulonephritis (rare).

Risk Factors

Endemic country origin (East Asia, sub-Saharan Africa, Eastern Europe).
Vertical transmission from infected mother (most common globally).
Unsafe injection practices, blood transfusions before screening (pre-1990s).
Multiple sexual partners, men who have sex with men.
Healthcare workers, dialysis patients, intravenous drug users.
Co-infection with HIV, hepatitis C, or hepatitis D.

When to See a Doctor?

If you experience any of the following symptoms, seek medical attention promptly:

  • Universal HBsAg screening at first prenatal visit; repeat third trimester for high-risk women.
  • If HBsAg positive: HBV DNA quantitation, HBeAg/anti-HBe, ALT, liver ultrasound.
  • Acute hepatitis symptoms in pregnancy: jaundice, abdominal pain, fatigue.
  • Postpartum: monitor for HBV flare; ALT, HBV DNA at 6 weeks, 3 months, 6 months.
  • Newborn HBIG and vaccination must be administered within 12 hours of birth.
  • Family screening: test partner and other children for HBV; vaccinate susceptible household contacts.

Treatment Methods

01
Tenofovir disoproxil fumarate (TDF) 300 mg daily from 28-32 weeks gestation if HBV DNA > 200,000 IU/mL.
02
Continue TDF until 1-3 months postpartum, then reassess.
03
Newborn: HBIG 0.5 mL IM and HBV vaccine 0.5 mL IM at separate sites within 12 hours of birth.
04
Complete HBV vaccine series for infant: 0, 1, 6 months.
05
Post-vaccination serology at 9-12 months: HBsAg, anti-HBs to confirm immunity.
06
Mode of delivery: vaginal delivery generally appropriate; cesarean does not significantly reduce transmission risk.
07
Breastfeeding is safe with proper neonatal prophylaxis (no increased transmission risk).
08
Long-term maternal follow-up: HBV DNA, ALT, alpha-fetoprotein, liver ultrasound every 6-12 months for hepatocellular carcinoma surveillance in cirrhosis.

Which Department to Visit?

You can visit our Kadın Hastalıkları ve Doğum department for these complaints. Our specialist physicians will create the most suitable treatment plan for you.

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Health Disclaimer: The information on this page is prepared for general informational purposes only. It does not replace medical diagnosis and treatment. Please consult your physician for your complaints. Saygı Hospital does not accept responsibility for actions taken based on the information on this page.