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Is It Safe to Get the Flu Shot During Pregnancy?

Monday, January 13th, 2014

If you are pregnant, chances are that you are questioning everything that goes into your body, and for good reason. It’s your job during pregnancy to nurture and protect your baby from a wide range of potential dangers. During the winter months, you may be wondering whether the flu vaccine is among those dangers.

It’s not. The fact is that it is completely safe for pregnant women to get the flu vaccine. In fact, getting vaccinated against the flu could make a big difference in your baby’s health; it could even be the difference between life and death. The CDC (Centers for Disease Control and Prevention), the American Academy of Pediatrics, the ACOG (American Congress of Obstetricians and Gynecologists), the American College of Nurse-Midwives, and numerous others all strongly recommend that pregnant women get flu shots.

Getting the flu while pregnant can cause serious complications. Pneumonia is one major concern. Pneumonia is potentially life-threatening and could be a risk factor for preterm labor. In addition, there is evidence that when you get the flu shot during pregnancy, your baby may continue to benefit from this protection after birth. Also, if you avoid catching the flu yourself postpartum, then your baby is less likely to be exposed to it at all. And protecting your newborn from the flu is important, because the flu is particularly dangerous for young babies, who can’t be vaccinated themselves before they are six months old. (Therefore, not only you but other family members as well should get flu shots.)

The flu vaccine may have no side effects at all, or you may notice mild side effects such as mild pain, tenderness, or redness at the site of the shot. Some people notice muscle aches, nausea, fever, or headaches after the shot, but these generally only last a day or two. Allergic reactions are extremely rare.

Anyone considering the flu shot, including pregnant women, should tell their doctors or anyone who is administering the shot if they have severe allergies to eggs or anything else that may be present in the shot. It is important to note that pregnant women should receive the flu shot, and not the nasal spray, which contains live flu virus.

Pregnant women can get flu shots at any point in their pregnancy. Getting vaccinated as early as possible to avoid being unprotected when flu season begins is best. However, if you have avoided getting the vaccine because you were concerned about safety during pregnancy, go ahead and get one even if it is later in the season. Flu season can last well into the spring, so even women getting vaccinated later on can still benefit.

Lately there has been some concern among people getting vaccinated about thimerosal, a preservative used in some flu shots. However, the CDC has uncovered no evidence that thimerosal presents any risk whatsoever. Besides, the benefits of getting a flu shot far outweigh even any theoretical risk. If you are worried, though, don’t let it stop you from getting a flu shot; ask your doctor about thimerosal-free vaccine. If it isn’t available in your area, go for the regular flu shot, and don’t worry – it’s much safer than not getting one at all.

– Yvonne S. Thornton, M. D., M. P. H.