10/15/2026
If you’re on hormone therapy, considering it, or have been told it’s not safe, one question worth asking is: what type of progesterone is being discussed?
Progesterone and synthetic progestins are not the same thing.
Micronized progesterone is structurally identical to the progesterone your body naturally produces. In observational data, it appears to have the most favorable breast safety profile, though longer-term data are still being studied.
Synthetic progestins, like medroxyprogesterone acetate (MPA), are lab-made molecules that interact differently with breast tissue. These are the compounds studied in the research that generated most of the concern around hormone therapy and breast cancer.
The distinction between these two categories is significant. And it’s one of the reasons a blanket statement like “hormones increase breast cancer risk” doesn’t tell the full story. The formulation, the dose, the delivery method, and the timing all factor into the picture.
If you’re currently on a hormone protocol, it’s worth knowing exactly what you’re taking. If you’re considering one, it’s worth asking about the options. And if you’ve been avoiding the conversation altogether, this is one of the details that might change how you see your choices.
✅ If you’re weighing hormone therapy or want to understand your current protocol better, schedule a free discovery call and we’ll talk through your questions and what the evidence supports.
📲 Send this to a woman who didn’t know progesterone and progestins are different.
💻 Schedule your call here: https://farmacycounter.com/make-appointment/