Flu Shot During Pregnancy

When you're pregnant, your body changes in ways that make you more vulnerable to infections like the flu. That’s why getting the flu shot during pregnancy, a safe and recommended vaccine that protects against seasonal influenza viruses isn’t just a good idea—it’s one of the most important things you can do for your health and your baby’s. The flu isn’t just a bad cold. It can lead to serious complications like pneumonia, preterm labor, or even hospitalization. And the good news? The vaccine doesn’t just protect you—it passes antibodies to your baby, giving them protection for the first few months after birth, when they’re too young to get vaccinated themselves.

Some people worry that vaccines during pregnancy might harm the baby, but decades of research show this isn’t true. The influenza vaccine, a non-live vaccine made from killed virus particles has been given to millions of pregnant women worldwide with no increased risk of birth defects or miscarriage. In fact, the CDC, the American College of Obstetricians and Gynecologists, and the WHO all strongly recommend it. You can get it at any stage of pregnancy—first, second, or third trimester. It’s also safe if you’re breastfeeding. The only people who should avoid it are those with severe allergies to vaccine ingredients, like egg protein (though even most egg allergies are no longer a barrier).

It’s not just about avoiding the flu—it’s about reducing the chance of your baby ending up in the NICU. Babies under six months have the highest hospitalization rates from flu, and they can’t get the vaccine until they’re six months old. By getting the shot while pregnant, you’re giving your baby a head start on immunity. It also means fewer doctor visits, less stress, and fewer missed workdays for you. And unlike some medications, this one doesn’t require a prescription or special approval—you can walk into your pharmacy or OB’s office and get it during a routine visit.

There’s a lot of misinformation out there. Some say the flu shot causes autism, or that it’s just a money grab by drug companies. But the science doesn’t support those claims. Studies tracking hundreds of thousands of pregnancies show no link between the flu vaccine and developmental issues in children. And if you’re worried about preservatives like thimerosal, there are thimerosal-free versions available at most clinics. You’re not taking a risk—you’re taking control.

What you’ll find in the posts below are clear, no-fluff answers to the most common questions: Is it safe in the first trimester? Can you get it with other vaccines? What if you had a bad reaction before? We’ve pulled together real, evidence-based insights from trusted sources—no guesses, no hype. Whether you’re early in your pregnancy or nearing your due date, this collection gives you the facts you need to make the right call for you and your baby.