McCall McPherson explains progesterone target ranges: 16-23 ng/mL for premenopausal women at peak, 2-6 ng/mL for postmenopausal women. She recommends using the minimal effective dose to avoid deficiency symptoms and protecting long-term health, with testing done via morning blood work after taking progesterone.
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You know, premenopausally. I like progesterone levels at peak to be between about 16 and 23. And non pregnant women postmenopausally, when people are not producing their own progesterone, I find women feel well. We find women feel well with progesterone levels between about two and six. And again, our approach with hormones is what is the least amount of hormones you need to not have symptoms of lack of hormones or hormonal deficiency and by, you know, protecting long term health outcomes, things that can help you, but not overexpressed hormones, that kind of thing. So those are our ranges. That's what we are looking for. We test women the morning after they take their progesterone. They don't need to skip it the day before, et cetera. And it is always a blood test.