What pregnancy category is the flu vaccine? Demystifying Safety for Expectant Mothers
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4 min read
The US Food and Drug Administration (FDA) eliminated its traditional letter-based pregnancy categories (A, B, C, D, X) for prescription drugs and biological products in 2014, including vaccines, replacing them with a new labeling rule. This means when asking, “what pregnancy category is the flu vaccine?”, the answer is that the inactivated flu shot no longer has one, as a detailed summary of risks and benefits is now provided instead.
