Information about vaccinations in pregnancy
How to protect you and your baby
During pregnancy, your immune system is naturally weaker than usual. This means you are less likely to fight off infections that can be harmful to you and your baby.
Vaccination during pregnancy can help prevent disease or make illness less serious for you, and for your baby. This is because the antibodies (natural substances your body produces to fight infection) are passed to your unborn baby, helping to protect them in their first few weeks of life.
Which vaccines are recommended in pregnancy?
Vaccinations to protect against pertussis (whooping cough), respiratory syncytial virus (RSV), flu and COVID-19 are recommended in pregnancy to help keep you and your baby safe.
Vaccine |
When to have the vaccine |
Offered from 16 weeks. The best time to have the whooping cough vaccine is from 16 to 32 weeks of pregnancy. You can have it up until your baby is born, but it may be less effective later in pregnancy. |
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Offered from 28 weeks. The best time to have the RSV vaccine is from 28 to 36 weeks of pregnancy. You can have it up until your baby is born, but it may be less effective later in pregnancy. |
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Offered during flu season (which may be at any time during your pregnancy). You should have the flu vaccine as soon as it is offered to you. |
Further resources
- Every child in Wales has the right to the very best start in life and, to help them along the way, we have launched Every Child Wales
- Royal College of Obstetricians and Gynaecologists (RCOG) (external site)
RCOG is an organisation that aims to improve women’s healthcare across the world, via development of accessibility and quality of education. - A schedule showing which vaccinations are routinely offered in Wales is available from: phw.nhs.wales/CompleteSchedule.
- Protect you and your baby - vaccinations in pregnancy (bilingual postcard)
- Vaccinations in pregnancy - bilingual poster
- How to protect you and your baby - Information about vaccination in pregnancy (bilingual booklet)