How long after hepatitis B vaccination can I get pregnant?

The article was professionally consulted by Doctor Department of Obstetrics and Gynecology - Vinmec Hai Phong International General Hospital.

Vaccination against hepatitis B before pregnancy is a necessary thing that women should not ignore, especially women who have determined about planning to have children in the near future.

Hepatitis B is a disease caused by the hepatitis B virus. This is an infection caused by the blood, the virus enters the blood and fluids of a person and damages the liver. When infected with hepatitis B, the patient may have acute liver failure, cirrhosis, hepatic encephalopathy, portal hypertension. When liver cells are massively attacked by the virus, if not treated promptly, the death rate is up to 90%.
Hepatitis B is a disease that is spread from person to person through a number of ways such as:
Blood: Hepatitis B is spread through blood transfusion, surgery, injecting drugs or sharing toothbrushes, knives shave. Sexually: The hepatitis B virus lives in semen and vaginal secretions, so it can be spread through sex if no method is used.

Mother-to-child transmission of hepatitis B: The rate of hepatitis B in pregnant women is high. However, hepatitis B virus does not adversely affect the pregnancy process as well as the fetus. The pregnancy progressed normally, the fetus is not at risk of birth defects. Hepatitis B currently does not have a complete cure, so it is advisable to get vaccinated against hepatitis B, especially for women who are planning to become pregnant because their immune systems are less active than normal. often get sick very easily.

Before getting the hepatitis B vaccine, you should have a test to determine if you have been infected with the virus. If the result is positive, the vaccination is not valid.
How long after hepatitis B vaccination can get pregnant is a question of many people, accordingly, the previous vaccination was recommended to be given at least 3 months before birth to be safe for the fetus. But now, many studies show that there are many vaccines that can be given 1 month before pregnancy are safe enough for both mother and baby.

For adults:
3 doses: The second dose is at least 1 month apart from the first dose and the third dose is 5 months apart from the second dose. 4 doses: the first 3 doses are administered consecutively 1 month apart. The last dose is 1 year after the third dose. After 5 years, the test should be performed and the dose should be repeated. If you are pregnant and have not received 3 doses of hepatitis B vaccine, you should not get the next dose, but go to the place where you have been vaccinated for advice as well as consider the appropriate time to inject these shots. next.

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Hepatitis B vaccine is an inactivated vaccine that does not contain live bacteria. This is one of the safest vaccines, so it does not affect the fetus as well as the health of the pregnant woman. However, this vaccine is still not recommended during pregnancy. Because during pregnancy, the immune system of pregnant women is often weakened, affecting the body's ability to respond to vaccines, making the effectiveness of prevention difficult to evaluate.
For children:
In case the mother is not infected with hepatitis B virus during pregnancy, the newborn will be vaccinated within the first 24 hours after birth. Up to the next 3 doses will be injected when the child is 1 month, 2 months, 3 months old and again when the child is 18 months old. If the mother has hepatitis B, the risk of infection is very high during labor, so the baby needs to be vaccinated and anti-inflammatory B serum within the first 24 hours after birth. If the newborn is not vaccinated against hepatitis B, the baby can be infected with hepatitis B from the mother.

When vaccinated against hepatitis B, women need to pay attention to some of the following issues:
Test to check if you are infected with hepatitis B virus or not. If you have not been infected with hepatitis B, your doctor will advise you on the specific hepatitis B vaccination schedule. In case of infection, it is necessary to strictly follow the treatment regimen to best control and reduce the possibility of infection to the fetus. After injection, it is necessary to stay in a medical facility for about 30 minutes to monitor reactions to the vaccine to prevent the risk of anaphylaxis reactions. Hepatitis B vaccine is about 90% effective, but antibody titers decrease over time. If you have been vaccinated for a long time but intend to become pregnant, you should see a doctor to be considered by your doctor for additional injections.

Vinmec International General Hospital provides hepatitis B vaccination service with a variety of vaccines to meet the needs of many target groups.
Advantages of vaccination at Vinmec:
Customers will be examined by pediatricians - vaccines, fully screened for health and health problems, and advised on vaccines and vaccines. and injection regimen, how to monitor and care for children after vaccination before giving the indication for vaccination according to the latest recommendations of the Ministry of Health & World Health Organization to ensure the best effectiveness and safety. best for children. A team of experienced and professional pediatric doctors and nurses, understand the psychology of children and apply effective pain relief methods for customers during the vaccination process. 100% of vaccinated customers are monitored 30 minutes after injection and reassessed before leaving. Undertake medical supervision before, during and after vaccination at Vinmec Health System and always have an emergency team ready to coordinate with the vaccination department to handle cases of anaphylaxis, respiratory failure - circulatory arrest, ensuring Ensure timely and correct handling when incidents occur.

The vaccination room is airy, with a play area, helping children feel comfortable as if they are walking and have a good mentality before and after vaccination. Vaccines are imported and stored in a modern cold storage system, with a cold chain meeting GSP standards, keeping vaccines in the best conditions to ensure quality. Customers will receive a reminder message before the vaccination date and their baby's vaccination information will be synchronized with the National Immunization Information System.

In addition to individual injections, Vinmec International General Hospital provides customers with a package vaccination program from children to adults with full benefits and accompanying services.

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