Hepatitis B chronic living in pregnancy

Overview

Chronic hepatitis B is a long-term infection of the liver caused by the hepatitis B virus. During pregnancy, it needs careful monitoring to protect both the mother and the baby from the virus.

Yes, chronic hepatitis B is common worldwide, especially in parts of Asia, Africa, and the Pacific Islands. Many people do not know they have it because they feel well.

Pregnant women who already have chronic hepatitis B — whether they know it or not — need special care to lower the chance of passing the virus to their baby.

Symptoms

Common symptoms

• Most people with chronic hepatitis B have no symptoms.
• Some may feel very tired (fatigue), have mild belly pain, or notice yellowing of the skin or eyes (jaundice).
• Dark urine and pale stools can also occur.

Symptoms in children

• Children often have no symptoms, but they may fail to gain weight or grow as expected.
• Jaundice can sometimes appear.

Symptoms in older adults

• Older adults may be more likely to have jaundice, severe tiredness, loss of appetite, and nausea.

Causes

Main causes

• Chronic hepatitis B is caused by the hepatitis B virus (HBV) that stays in the body for more than six months.
• In pregnancy, the virus is already present in the mother's blood and body fluids.

Risk factors

• Being born in a region where hepatitis B is common (such as parts of Asia, Africa, or the Pacific Islands)
• Having a mother with hepatitis B
• Unprotected sex with someone who has the virus
• Sharing needles, syringes, or other drug equipment
• Having a job that involves contact with blood (like healthcare work)

When to see a doctor

See a doctor urgently if:

• Go to an emergency department or call your local emergency number if you have severe belly pain, vomiting blood, confusion, or signs of bleeding.

Book a routine appointment if:

• See your doctor or midwife regularly for prenatal check-ups and blood tests to monitor your hepatitis B viral load and liver health.

Diagnosis

A simple blood test checks for the hepatitis B surface antigen (HBsAg). If you have it, you have chronic hepatitis B.

Tests that may be done

• HBsAg blood test (to confirm the infection)
• HBV DNA test (to measure how much virus is in your blood – called viral load)
• Liver function tests (to check how well your liver is working)
• Ultrasound of the liver (to look for any damage)

What to expect at your appointment

During pregnancy, your doctor will repeat some tests regularly to keep an eye on your virus levels and liver health. You will also have close monitoring after the baby is born.

Treatment

The main goal of treatment during pregnancy is to lower the amount of virus in your blood so that your baby has a very low chance of getting infected. Treatment is not always needed, but it may be recommended in the third trimester if your viral load is high.

Self-care at home

• Eat a balanced diet with plenty of fruits, vegetables, and whole grains.
• Avoid alcohol completely – it can damage your liver.
• Get plenty of rest and manage stress with gentle activities like walking or prenatal yoga.
• Take all medications exactly as your doctor prescribes.

Medical treatments

Your doctor may prescribe antiviral medicines (tablets) to reduce the virus level. These are usually started in the last few months of pregnancy and stopped after delivery. Do not start or stop any medication without talking to your doctor.

When is surgery considered?

Surgery is not used to treat chronic hepatitis B. In very rare cases with severe liver damage, a liver transplant might be considered after pregnancy – this is managed by a specialist team.

Living with this condition

Managing chronic hepatitis B during pregnancy means keeping up with your prenatal appointments, taking your medicines if prescribed, and letting all your healthcare providers know you have the virus. This helps them give you the safest care.

Lifestyle tips

• Avoid alcohol and any drugs that can harm the liver.
• Use condoms during sex to protect your partner if they are not immune.
• Do not share toothbrushes, razors, or nail clippers – the virus can spread through blood.
• Cover any cuts or sores with a bandage.

Diet and exercise

Eat a well-balanced diet – you do not need a special diet. Stay active with moderate exercise like walking or swimming, unless your doctor advises otherwise.

Mental health and emotional wellbeing

It is normal to feel worried or anxious about passing the virus to your baby. Talk to your midwife, doctor, or a counselor. You are not alone – many women go through this and have healthy outcomes.

Prevention

Yes, the baby can be protected. Within 12 hours of birth, the baby should get the first dose of the hepatitis B vaccine and an injection of hepatitis B immunoglobulin (HBIG) if needed. This is very effective at preventing the baby from getting the virus.

Vaccines

All babies should receive the full hepatitis B vaccine series (3 doses) as part of routine childhood vaccinations. This gives long-term protection.

Screening programmes

All pregnant women should be tested for hepatitis B early in pregnancy. If you have chronic hepatitis B, your doctor will arrange the right care for you and your baby.

Complications

If left untreated

• Without proper care, the mother may develop liver scarring (cirrhosis), liver failure, or liver cancer over time.
• The baby is at high risk of becoming chronically infected with hepatitis B, which can lead to liver problems later in life.

Long-term outlook

With regular monitoring and the right treatment during pregnancy, many women with chronic hepatitis B give birth to healthy, uninfected babies. For the mother, staying under a doctor's care and avoiding alcohol can keep her liver healthy for many years. There is a lot of hope – you can live a full and healthy life.

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