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. 2022 Jun 7;31(8):863–874. doi: 10.1002/pds.5483

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© 2022 The Authors. Pharmacoepidemiology and Drug Safety published by John Wiley & Sons Ltd.

This is an open access article under the terms of the http://creativecommons.org/licenses/by-nc-nd/4.0/ License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non‐commercial and no modifications or adaptations are made.

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Pregnancy identification flow chart. ¹170 431 (81%) disenrolled from health plan in the time window last menstrual period (LMP) to LMP + 42 weeks. ²7478 (84%) episodes defined by delivery codes only.