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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

Ozempic Babies: GLP-1 Weight-Loss Drugs and Unexpected Fertility

Dr. Marchand explains the reported rise in unplanned pregnancies among patients taking GLP-1 receptor agonists, covering both restored ovulation with weight loss and reduced absorption of oral contraceptives.

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April 8, 2024By Maria Sainz

Women’s Health and Mifepristone Access

A wide-ranging women’s health segment covering pharmacy dispensing of mifepristone and related regulatory change.

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March 7, 2024By Maria Sainz

How Extreme Heat Affects Hormonal Birth Control

A widely picked-up segment on how sustained high temperatures can degrade hormonal contraceptives, and how patients in hot climates should store them.

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August 23, 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
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