The Weekly ZIP

Your Zenith Informed Pregnancy: a weekly newsletter breaking down the evidence behind the week’s top pregnancy questions, and a highlight of the most interesting pregnancy-related read of the week

Tamiflu, placental positioning, pitocin and SSRIs

December 19, 2025

Pitocin (a synthetic form of the hormone oxytocin) is one of the most common interventions used to start or speed up labor. And like most induction-related topics, it comes with plenty of opinions, solicited or otherwise! Here’s what we know about pros and cons from the research.
Hep B, Robitussin, and third trimester movement
December 12, 2025
Glucose tests, placental abruption, and the WELLS Act
December 05, 2025
Homebirths, hot tubs, and PPD
November 21, 2025
Iron, continuous fetal monitoring, and the value of midwifery care
November 14, 2025
COVID, retinol, and the power of a mother’s voice
November 07, 2025
Halloween candy, cervical checks, and the postpartum ‘bounceback’ myth
October 31, 2025
Choline, lifting heavy, and preeclampsia
October 24, 2025
RSV protection, heartburn, and membrane sweeps
October 17, 2025
Breech babies, disappearing symptoms, and dates
October 10, 2025
Nausea meds, mucus plugs, and OB access
October 03, 2025
Aspirin vs acetaminophen, creatine, and round ligament pain
September 26, 2025
GLP-1s, matcha, and 'just one glass of wine'
September 19, 2025

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Blog Posts

Recent posts from the Zenith blog

Studying Pregnancy Safely: Observational Research Explained

December 02, 2025

Contrary to what headlines and social media often suggest, science doesn’t actually deal in proof; it deals in probabilities. Studies give us estimates of how the world likely works, not absolute certainty – and the stronger their design and execution, the closer those estimates get to the truth.

Why Don't We Know More About Pregnancy?

November 25, 2025

There’s a growing recognition among experts that excluding pregnant people from research may cause more harm than including them —  after all, pregnant people take medications whether we study them or not. So how do we fill the gaps in evidence, when traditional clinical trials aren't possible?
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