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Arizona's Only Accredited Master Surgeon - Greg J. Marchand M.D.Arizona's Only Accredited Master Surgeon - Greg J. Marchand M.D.
Arizona's Only Accredited Master Surgeon – Greg J. Marchand M.D.
Arizona's Only Accredited Master Surgeon – Greg J. Marchand M.D.
  • Dr. Greg Marchand
    • About Dr. Marchand
    • Funding & Independence
  • Fellowship
  • Research
    • Publications
    • Research Methodology
    • Clinical Trials
    • Research Team
  • Newsroom
    • Press Kit
    • Expert Commentary
    • Media Coverage
    • Video Appearances
  • Collaborate
  • Contact
  • Dr. Greg Marchand
    • About Dr. Marchand
    • Funding & Independence
  • Fellowship
  • Research
    • Publications
    • Research Methodology
    • Clinical Trials
    • Research Team
  • Newsroom
    • Press Kit
    • Expert Commentary
    • Media Coverage
    • Video Appearances
  • Collaborate
  • Contact

Archives:

Acetaminophen in Pregnancy and the Autism Question

Dr. Marchand reviews the evidence linking prenatal acetaminophen exposure to neurodevelopmental outcomes, and the difference between association and causation in the studies being cited.

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September 24, 2025By Maria Sainz

New Guidance on Acetaminophen Use During Pregnancy

A practical discussion of what changing recommendations on acetaminophen mean for pregnant patients managing pain and fever.

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September 23, 2025By Maria Sainz

Vaccines, Acetaminophen and Pregnancy: Separating Evidence From Claim

Dr. Marchand addresses claims connecting vaccination and acetaminophen use in pregnancy to childhood outcomes, and describes the study designs that would be needed to test them.

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September 23, 2025By Maria Sainz

Cryptic Pregnancy and Perinatal Pathology in the Alexee Trevizo Case

Dr. Marchand explains to Court TV how a pregnancy can go unrecognised until delivery, and what perinatal pathology can and cannot establish about the events surrounding a birth.

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December 19, 2024By Maria Sainz

Traveling Safely While Pregnant

Practical, evidence-based guidance on air travel and long journeys during pregnancy, including thromboembolism risk and when travel should be deferred.

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December 20, 2023By Maria Sainz

COVID-19 Vaccination in Pregnancy

A live interview covering the safety and outcome data on COVID-19 vaccination during pregnancy.

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July 25, 2023By Maria Sainz

Travel in Pregnancy: Dehydration, Medication and Ectopic Risk

Dr. Marchand covers the specific hazards that matter when pregnant patients travel, including dehydration, medication use, and recognising an ectopic pregnancy away from home.

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July 19, 2023By Maria Sainz

COVID-19 in Pregnancy: A Patient’s Story

Dr. Marchand and one of his patients describe the effects of COVID-19 infection during pregnancy and the course of her care.

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January 1, 2010By Maria Sainz
Arizona's Only Accredited Master Surgeon - Greg J. Marchand M.D.
© Greg Marchand MD

Research repository

Every paper, abstract and presentation Dr. Marchand publishes is listed in his open research repository. Subscribe by RSS to be notified whenever new work is added.

Browse the repository All research (RSS)

Topic feeds: Peer-reviewed articles | Conference presentations