Progesterone and Weight Gain: What the Dose-Dependent Data Actually Says

Progesterone and weight gain infographic showing metabolic benefits and insulin sensitivity data for bio-identical hormones.

If you’ve recently started progesterone therapy—whether for menopause, IVF, perimenopause, or cycle regulation—you might have noticed a shift on the scale and asked yourself: does progesterone cause weight gain? The relationship between progesterone and weight gain is more nuanced than a simple “yes” or “no,” and the answer is highly dose-dependent.

🧠 A note from Carol

I’m a functional medicine practitioner, and I’ve spent years helping women separate hormone fact from hormone fiction. Here’s what surprises most of my new patients: the thing they’ve been blaming for their weight gain (progesterone) is often not the real problem at all. I wrote this article to give you the data — and a fresh perspective.

If something here resonates with your own experience, let’s talk.
👉 Book a 15-minute consult

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Q&A with Carol Petersen

Q&A promotional flyer with a light colored room, pink swivel lounge chairs, a coffee table with white cups of coffee and a book

Join us for this engaging live Q&A session, recorded in real-time on Zoom. Carol will be ready to dive into your questions on perimenopause, progesterone, and PMDD—bring them on!

Defending All Forms of Bioidentical Progesterone With Phyllis Bronson, PhD and Carol Petersen, RPh, CNP

Defending all forms of bioidentical progesterone with Phyllis Bronson, PhD and Carol Petersen, RPh, CNP

This webinar features guest experts Dr. Phyllis Bronson and Carol Petersen, who emphasize the importance of progesterone and address misinformation about it. We discuss the distinctions between real progesterone and synthetic progestins, the different forms of progesterone administration, and the significance of progesterone levels compared to estrogen levels. The conversation covers the safety and benefits … Read more