• MMR (Measles, Mumps, and Rubella)
  • Pregnancy and Postpartum Considerations

If a woman’s rubella test result shows she is “not immune” during a prenatal visit, but she has 2 documented doses of MMR vaccine, does she need a third dose of MMR vaccine postpartum?

In 2013, ACIP updated its recommendation for this situation (see www.cdc.gov/mmwr/pdf/rr/rr6204.pdf, pages 18–20). It is recommended that people capable of bearing children who have received 1 or 2 doses of rubella-containing vaccine and have rubella serum IgG levels that are not clearly positive should be administered 1 additional dose of MMR vaccine (maximum of 3 doses) and do not need to be retested for serologic evidence of rubella immunity. MMR should not be administered to a pregnant person.

Last reviewed: June 19, 2023

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