How Does Egg Count Change as a Woman Ages?

How Does Egg Count Change as a Woman Ages?

Medically reviewed by Renita White, MDFemales are born with all the eggs they will ever have—about 1 million to 2 million at birth—and this number steadily declines with age.Jump to Key Takeaways.AleksandarNakic / Getty ImagesEgg Count at Different AgesAt birth: About 1 million to 2 million eggsBy puberty (around age 12): About 300,000 to 500,000 eggsIn 20s: Egg quality and quantity are at their peak; about 100,000 eggs remainBy age 30: About 70…