By the time most women turn 50, the ovaries are down to so few eggs leading to menopause & many scientists to lose interest. Researchers analyzed 28 ovaries from women between 50-75. Many of the 6,000 proteins measured stayed consistent across the years. The ovary is not a dead organ after menopause.
https://www.washingtonpost.com/health/2026/10/14/long-after-menopause-ovary-is-still-work/