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Hepatitis B in pregnancy with a liver mass: what happens next | CION Cancer Clinics
A liver mass found in a pregnant woman with hepatitis B needs a careful, prompt follow-up scan, because hepatitis B raises the chance that a mass is liver cancer. Many such masses still turn out to be harmless. This page explains what the mass could be, which tests come next, how your baby is protected from hepatitis B, and who should be part of the plan. At CION Cancer Clinics, our team supports patients and families through symptoms, follow-up and life during and after treatment.
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Medically reviewed by Dr. Naresh GunduConsultant Medical Oncologist · MBBS, DNB (Internal Medicine), DM (Medical Oncology, AIIMS) · last reviewed October 2026, next review due October 2027
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On this page
- I have hepatitis B, I am pregnant and a scan shows a liver mass. What now?
- What could a liver mass in pregnancy be?
- Which tests will the doctors arrange next?
- What do the hepatitis B words on my report mean?
- What do families worry about, and what is actually true?
- What this page cannot tell you
- Common questions about hepatitis B, pregnancy and a liver mass
The short answer
I have hepatitis B, I am pregnant and a scan shows a liver mass. What now?
You need a prompt follow-up scan and a review by doctors who know both liver cancer and pregnancy. Hepatitis B raises the chance that a liver mass is hepatocellular carcinoma (HCC, a cancer of the main liver cells), so this mass should not be left for after the delivery without a plan.
Many masses are still harmless
Pregnancy hormones can make some harmless growths appear or enlarge, and ultrasound in pregnancy often finds spots nobody knew were there. A mass is a question to be answered. It is not yet a diagnosis.
Two jobs run side by side
The first job is to find out what the mass is. The second is to protect your baby from hepatitis B, which is passed from mother to baby mostly around the time of birth. Both can be done at the same time, and neither should wait for the other. Our page on how hepatitis B spreads explains the routes, and why none of this is anyone's fault.
Hepatitis B is controlled, not removed. Antiviral tablets keep the virus quiet, and the decision to start or stop them belongs to a hepatologist or physician.The possibilities
What could a liver mass in pregnancy be?
Only proper imaging, and sometimes a biopsy, can tell these apart. This list is to help you follow the conversation.
Haemangioma
A tangle of small blood vessels. It is the most common harmless liver spot and usually needs no treatment, though it is sometimes watched during pregnancy.
Focal nodular hyperplasia or adenoma
Focal nodular hyperplasia (FNH) is a harmless knot of normal liver cells. An adenoma is a non-cancer growth that can enlarge with pregnancy hormones and occasionally bleeds, so it is monitored closely.
Hepatocellular carcinoma
Liver cancer that starts in the liver. People with long-standing hepatitis B can develop it even without cirrhosis (scarring of the liver), which is why a mass is taken seriously in a carrier.
Raises suspicion
- A family history of liver cancer
- Cirrhosis on earlier scans
- A high hepatitis B viral load
Cancer from elsewhere
Less often, a liver spot is cancer that has spread from another organ. If this is suspected, the team looks for where it started. See our page on primary and secondary liver cancer.
Not sure whether this applies to you?
Ask an oncologistStep by step
Which tests will the doctors arrange next?
Hepatitis B blood tests
HBeAg and the HBV DNA (viral load) show how active the virus is. Liver function tests show how well the liver is coping. These results guide both the liver plan and the plan to protect your baby.
An MRI without radiation
MRI uses magnets and radio waves, not X-rays, so it is used in pregnancy when a clear answer is needed. The contrast dye is usually avoided unless the team agrees it is worth it. CION arranges the scan through diagnostic partners.
AFP, read with caution
AFP (alpha-fetoprotein) is a tumour marker, but the baby makes it too, so it is always high in pregnancy. Our page on AFP in pregnancy explains why it cannot settle the question.
A biopsy, sometimes
If the scan cannot give a clear answer, a needle biopsy may be suggested. It is arranged through partner hospitals, and only when the result would change the plan.
One joint plan
The tumour board reviews everything with your obstetrician and a hepatologist. You receive one written plan for the mass, the virus and the delivery.
On your report
What do the hepatitis B words on my report mean?
- HBsAg
- The surface protein of the virus. Positive means the virus is in your blood now.
- HBeAg
- A sign the virus is multiplying actively. Positive usually means a higher chance of passing it to the baby without protection.
- HBV DNA (viral load)
- How much virus is in the blood. A high level is the main reason a hepatologist may advise antiviral tablets late in pregnancy.
- ALT
- A liver enzyme. A raised level can mean the liver is inflamed, although pregnancy itself can shift some liver tests.
- Lesion or SOL
- Words for a spot or mass on a scan. SOL means space-occupying lesion. Neither word means cancer on its own.
For the full list, see reading a hepatitis B report.
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Did you know
Babies of mothers with hepatitis B are very well protected when they receive the hepatitis B vaccine soon after birth, often with an antibody injection called HBIG. This protection works whatever is found in the mother's liver, so ask your obstetrician to arrange it early.
Commonly believed
What do families worry about, and what is actually true?
"With hepatitis B, any liver spot must be cancer."
No. Hepatitis B raises the chance, which is why the spot is checked carefully. Many masses in carriers are harmless. Only proper imaging, and sometimes a biopsy, can say which.
"She cannot breastfeed because she has hepatitis B."
For hepatitis B alone, breastfeeding is usually fine once the baby has had the vaccine. If cancer treatment starts, ask whether the medicine passes into breast milk.
"Antiviral tablets will harm the baby."
Some antivirals, such as tenofovir, are used in pregnancy to lower the virus before birth. The decision and the choice of tablet belong to your hepatologist. Do not start or stop any tablet yourself; see why stopping is risky.
"Someone in the family must be to blame."
Hepatitis B is often passed silently at birth, decades before anyone knows. Testing the husband, children and other household members, and vaccinating those who are not protected, is about protection, not blame.
Being straight with you
What this page cannot tell you
It cannot tell you whether your mass is cancer, whether you need antiviral tablets, or when your baby should be delivered. Those answers need your scans, your viral load and a joint discussion between your obstetrician, a hepatologist and a cancer team.
Who this page does not apply to
If you have hepatitis B in pregnancy and your scans are clear, the main task is protecting the baby; read hepatitis B and pregnancy. If liver cancer has already been confirmed, our page on liver cancer in pregnancy covers the treatment choices. If you need cancer medicines while the virus is active, the team will plan around reactivation; see immunotherapy with hepatitis B.
Where the evidence is thin
This combination is uncommon, and much advice comes from expert experience. A good team will say plainly where they are certain and where they are using judgement.
Do not skip the follow-up scan because you feel well. Most liver cancers cause no symptoms early on.Questions we are asked
Common questions about hepatitis B, pregnancy and a liver mass
Should I wait until after delivery to check the mass?
Not without a plan. Ultrasound and MRI can be done safely in pregnancy, so the mass can usually be looked at properly now. The team may then decide that treatment, if any is needed, can wait. That is a decision made after looking, not instead of looking.
Will my baby get hepatitis B?
Most babies are protected when they receive the hepatitis B vaccine soon after birth, often with an antibody injection. If your viral load is high, a hepatologist may also advise antiviral tablets late in pregnancy. The baby is tested later to confirm the protection worked.
Does the liver mass make it more likely the baby gets the virus?
Not on its own. The chance of passing on hepatitis B depends mainly on how active the virus is, not on the mass. The same steps to protect the baby apply whatever the mass turns out to be.
Is a liver biopsy safe in pregnancy?
It can be done with a thin needle through the skin, guided by ultrasound, and the baby is not touched. Like any procedure it carries a small risk of bleeding. It is suggested only when scans cannot give a clear answer and the result would change the plan.
Can I have a normal delivery?
Often, yes. Hepatitis B alone is not usually a reason for a caesarean. The way you deliver depends on the mass, your liver function and your obstetrician's advice. If the mass is cancer, the team may plan the timing of delivery around treatment.
Should my husband and children be tested?
Yes. Household members should have a simple blood test, and anyone not already protected can be vaccinated. Those who turn out to carry the virus can then be followed up early. This is about keeping the family safe, not about who passed it to whom.
If it is cancer, can it be treated while I am pregnant?
Sometimes. Some operations are possible during the middle part of pregnancy, while most cancer medicines wait until after delivery. Our page on treating now or delivering first explains how timing is decided.
Who should I see first?
Keep seeing your obstetrician, and ask for a referral to a hepatologist and an oncologist. Bring every scan, the CD and your hepatitis B reports. Call the CION helpline and we can arrange a tumour board review and coordinate with your other doctors.
Your Specialists
Meet CION's liver cancer specialists. Bring your scan reports and liver blood tests.
Our medical and surgical oncologists plan liver cancer care together, weighing the tumour and how well your liver works before choosing surgery, a liver-directed procedure or medicines.
Medical Oncologist
Dr. C. Raghavendra Reddy
MBBS(Gold Medal), DNB(General Medicine), DM(Medical Oncology)(Gold Medal)
Medical Oncologist
Dr. Bharati Devi Gorantla
MBBS, MD(General Medicine), DM(Medical Oncology)(Adyar,Chennai), ECMO, MRCP SCE(UK)
Medical Oncologist
Dr. Owais Mohammed
MBBS, MD (General Medicine), DrNB (Medical Oncology), ECMO, MRCP SCE (Medical Oncology) (UK)
Medical Oncologist
Medical Oncologist
Surgical Oncologist
Dr. Muralidhar Muddusetty
MBBS (AIIMS), MS (Surgery) (AIIMS), DNB (Surgical Oncology), MRCS (Edinburgh)
Surgical Oncologist
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Sources
- World Health Organization — Hepatitis B
- NHS — Hepatitis B
- American Cancer Society — Liver Cancer Risk Factors
- Cancer Research UK — Diagnosing liver cancer
This page is general information, not a prescription. Do not change or stop any treatment based on what you read here. If anything is worrying you, contact your own treating team — or call our helpline and we will help you reach the right specialist.
Keep reading
Related pages
Liver cancer in pregnancyHow treatment is planned if the mass is cancerHepatitis B and pregnancy: protecting the babyThe vaccine, the antibody injection and antiviral tabletsReading a hepatitis B reportWhat HBsAg, HBeAg and the other results meanAFP in pregnancy and why it is differentWhy a high AFP is hard to read while pregnant
Talk to us
Hepatitis B, pregnant, and a mass on the scan?
Send us your scan and your hepatitis B reports and we will arrange a review by the tumour board, working with your obstetrician and a hepatologist. One helpline serves every CION centre.