Women's egg cycle: from birth to menopause with Dr. Jennifer Garrison #shorts #fertility

Name: Women's egg cycle: from birth to menopause with Dr. Jennifer Garrison #shorts #fertility
Uploaded: 2022-10-20T14:30:09+00:00
Duration: 44 s
Channel: Claudia von Boeselager
Description: In this concise educational monologue, Dr. Jennifer Garrison explains that females are born with a finite number of oocytes. Around 26 weeks gestation, a…

20 Oct 2022 · 1 min

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In this concise educational monologue, Dr. Jennifer Garrison explains that females are born with a finite number of oocytes. Around 26 weeks gestation, a fetus has roughly 6–7 million eggs, which drops to about 1 million at birth, and further declines to 300–400 k by puberty. Once menstrual cycles begin, approximately 1,000 eggs are lost each month, leading to a continual decrease in both egg count and quality. Egg quality deteriorates with age, and by the 40s–50s the ovarian reserve is exhausted, resulting in menopause.

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Women are born with all the eggs they're ever going to have. Somewhere around 26 weeks of gestation, a female human has about 6 or 7 million eggs in her ovary. By the time she's born, that number drops to about a million. By the time she goes through puberty, that number is somewhere between 300,000 and 400,000. And then once she starts cycling, every single month that she ovulates, she's going to lose about 1,000 eggs every single month. And so those numbers drop. And it's not just the numbers, but also the quality of the eggs changes and goes down with age during adulthood until somewhere in her 40s or 50s, she will essentially run out of eggs and her ovaries will stop working and she will go through menopause.