Dr. Mary Claire Haver
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Appearances Over Time
Podcast Appearances
And then by the time she's 30, it will already be down to 10% of the original supply.
And by the time she's 40, we're looking at around 3%, okay, on average.
And menopause, full menopause represents no more eggs.
You have run out.
So let's go back to pre-menopause.
In pre-menopause, so menopause does not enter the chat.
We have enough eggs to function properly.
Every month we have a cycle, right?
In a healthy woman, roughly 28 days.
And ovulation starts in the brain, not in the ovaries.
The ovaries are simply waiting to be given instructions, right?
That's why we don't ovulate as children, right?
They are being suppressed by the brain.
When after a normal cycle, our estrogen levels fall off.
So at ovulation, your estrogen levels peak and then they drift down.
The brain is like, whoa, where's that estrogen, right?
I like that high level, I want it back.
So the hypothalamus detects the estrogen levels
Okay.
And testosterone more at a steady state basis.