FDA's New Rules: Checking if Pills Play Nice with Pregnancies
Published Date: 5/11/2026
Notice
Summary
The FDA just released final guidance to help drug makers study how their medicines affect pregnant women after approval. This update affects companies and researchers who must now follow clearer steps to check pregnancy safety, helping protect moms and babies. The guidance is effective immediately, with no new costs announced, but it encourages better, safer studies going forward.
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Analyzed Economic Effects
3 provisions identified: 3 benefits, 0 costs, 0 mixed.
New Method Guidance: Registries & Rare Exposures
The final guidance updates methods for postapproval pregnancy safety work by clarifying the pregnancy registry section (including a new statistical methods subsection), broadening complementary study methods, expanding discussion on collecting data when rare exposures are expected, and updating terminology to include descriptive pregnancy safety studies. These methodological updates affect how sponsors and investigators design and document postapproval pregnancy safety investigations.
Final FDA Guidance for Pregnancy Safety Studies
On May 11, 2026 the FDA published a final guidance called "Postapproval Pregnancy Safety Studies" that gives recommendations to drug sponsors and investigators on how to design studies that assess safety outcomes in pregnant women after a drug or biologic is approved. The guidance finalizes a draft originally issued on May 9, 2019 and is available to industry and investigators for immediate use.
Guidance Is Non-Binding and Deregulatory
FDA states the guidance reflects its current thinking but is not binding; sponsors may use alternative approaches if they meet statute and regulation requirements. FDA also assessed this action as an Executive Order 14192 deregulatory action and the guidance contains no new collections of information under the Paperwork Reduction Act.
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