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Episode 11.11 When Evidence Misleads episode artwork

May 28, 2026 1 hr 4 min

Episode 11.11 When Evidence Misleads

from Thinking About Ob/Gyn Hosted by Antonia Roberts and Howard Herrell

We sit down with Joshua Oommen to get nerdy about clinical reasoning, FDA standards, and why “good evidence” is harder to define than most of us admit. We challenge the reflex to trust p-values and meta-analyses, then test our instincts against real OBGYN examples where the literature has whiplashed practice. • why the podcast is called Thinking About OBGYN and how clinical reasoning shapes our work • the NEJM proposal to make one pivotal trial the FDA default and what “confirmatory evidence” might mean • medical reversal, surrogate endpoints, and how trust erodes when practice changes late • why Bayesian thinking fits how clinicians interpret tests, trials, and prior beliefs • how meta-analyses fail through small study effects, publication bias, p-hacking, and heterogeneity • the amnioinfusion comeback as a case study in applicability and overconfident conclusions Be sure to check out thinking about obgyn.com for more information and be sure to follow us on Instagram. 0:00 Welcome And Today’s Big Question 3:48 Why “Thinking About OBGYN” Exists 11:54 The NEJM Push For One Trial 16:38 Medical Reversal And Trust Problems 24:43 AI Proteins And CRISPR Pressure Tests 32:33 Bayes Thinking Beyond P Values 36:43 Why Meta-Analyses Often Mislead 41:08 Bias And Heterogeneity Red Flags 46:24 Amnioinfusion And A Meta-Analysis Comeback 1:02:29 Final Warnings And How To Learn Follow us on Instagram @thinkingaboutobgyn.

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We sit down with Joshua Oommen to get nerdy about clinical reasoning, FDA standards, and why “good evidence” is harder to define than most of us admit. We challenge the reflex to trust p-values and meta-analyses, then test our instincts against real OBGYN examples where the literature has whiplashed practice. • why the podcast is called Thinking About OBGYN and how clinical reasoning shapes our work • the NEJM proposal to make one pivotal trial the FDA default and what “confirmato...

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Episode 11.11 When Evidence Misleads

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Chapters

  1. 0:00 Welcome And Today’s Big Question
  2. 3:48 Why “Thinking About OBGYN” Exists
  3. 11:54 The NEJM Push For One Trial
  4. 16:38 Medical Reversal And Trust Problems
  5. 24:43 AI Proteins And CRISPR Pressure Tests
  6. 32:33 Bayes Thinking Beyond P Values
  7. 36:43 Why Meta-Analyses Often Mislead
  8. 41:08 Bias And Heterogeneity Red Flags
  9. 46:24 Amnioinfusion And A Meta-Analysis Comeback
  10. 1:02:29 Final Warnings And How To Learn

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How long is this episode of Thinking About Ob/Gyn?

This episode is 1 hour and 4 minutes long.

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This episode was published on May 28, 2026.

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