Infections in Pregnancy

Pregnant bellies

If you are pregnant or planning to become pregnant:

  1. Review your immunization status and your job with your health care provider;
  2. Avoid contact with people who appear ill; and
  3. Clean your hands often.

There are some infections that can cause harm for someone who is planning a pregnancy or who is already pregnant.  Speak to your health care provider if you are concerned about any infection that you may have.

To learn more about a particular infection during pregnancy, click on a topic below. Information is also available in a printable PDF format.

For more information about infections before or during pregnancy, call Motherisk at 1-877-439-2744 or visit



  1. Centers for Disease Control and Prevention (2014).  Vaccines and immunizations, Chapter 14: Rubella.  Retrieved from
  2. Centers for Disease Control and Prevention (2014, September).  Shingles (Herpes Zoster).  Retrieved from
  3. Centers for Disease Control and Prevention (2015, March).  Parasites – Toxoplasmosis (Toxoplasma Infection).  Retrieved from
  4. Centers for Disease Control and Prevention. (2014).  Pregnant women & influenza (flu).  Retrieved from
  5. Centers for Disease Control and Prevention. (2016).  Listeria (Listeriosis).  Retrieved from
  6. Crane, J., Mundle, W., & Boucoiran, I.  (2014, December).  Parvovirus B19 infection in pregnancy.  Retrieved from
  7. Dontigny, L., Arsenault, M., & Martel, M. (2008, February).  Rubella in pregnancy.  Retrieved from
  8. Elgin St. Thomas Public Health, Middlesex-London Health Unit, & Oxford County Public Health (2015, December).  A guide to common childhood infections.  
  9. Government of Canada (2014).  Is it a cold or the flu.  Retrieved from
  10. Government of Canada (2015, December).  Food safety for pregnant women.  Retrieved from
  11. Gruslin, A., Steben, M., Halperin, S., Money, D.M., Yudin, M.H. (2009, November). SOGC clinical practice guideline: Immunization in pregnancy. Retrieved from
  12. Heymann, D.L. (2015). Control of Communicable Diseases Manual (20th ed.). Washington, DC: American Public Health Association.
  13. MacDonald, M.E., & McDonald, J.C. (2014).  The benefits of influenza vaccine in pregnancy for the fetus and the infant younger than six months of age.  In Paediatrics & Child Health, 19(9): e121-22.  Retrieved from
  14. Paquet, C., & Yudin, M.H. (2013, January).  Toxoplasmosis in pregnancy: Prevention, screening and treatment
  15. Shrim, A., Koren, G., Yudin, M.H., & Farine, D. (2012, March).  Management of Varicella infection (Chickenpox) in pregnancy.  Retrieved from