I just found out that I'm 6 weeks pregnant. Should I worry about swine flu? Do I need to get the vaccine?
– Eliza*

H1N1 influenza (also called swine flu) can carry more risks for pregnant women. So the Centers for Disease Control and Prevention (CDC) recommends that all pregnant women get the H1N1 flu shot when it becomes available.

The changes that go on in women's bodies during pregnancy weaken the immune system a bit, making it easier for them to catch whatever bug is going around. If a pregnant woman catches the flu, she is more at risk of other health problems, like pneumonia. Flu also can lead to pregnancy-related complications, like going into labor early.

Because the H1N1 vaccine is new, some people may worry about whether it's safe. Since the vaccine is so similar to the seasonal flu vaccine (which is recommended for pregnant women and considered safe), experts believe that the side effects from the H1N1 vaccine will probably be similar, too. These may include soreness or swelling in the area where you get the injection or mild side effects, such as headache or low-grade fever. Ask your health care provider if you can take acetaminophen after getting the shot to help with some of these side effects.

Although the H1N1 vaccine comes in both shot and nasal spray form, you'll need to get the shot — the nasal spray is not recommended for pregnant women. It's a good idea to get the regular seasonal flu shot too, since the H1N1 vaccine doesn't protect against other kinds of flu.

If you develop flu-like symptoms before you've been vaccinated against H1N1 flu, call your doctor right away. Pregnant women who catch the flu may need to take antiviral medicines to decrease the chances of developing complications.

Reviewed by: Larissa Hirsch
Date reviewed: September 2009

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Although we can't reply personally, you may see your question posted to this page in the future. If you're looking for medical advice, a diagnosis, or treatment, consult your doctor or other qualified medical professional. If this is an emergency, contact emergency services in your area.

*Names have been changed to protect user privacy.

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