I’ve seen videos showing the scale of a human egg and it’s visible to the naked eye- it’s definitely not as small as i thought it would be. So how are girls born with millions of eggs already? Im thinking that large of an amount would take up a considerable amount of space. And how do girls lose eggs from birth if they dont have their first period til adolescence? Since im assuming eggs are mainly lost through periods, excluding trauma or ovarian disorders.
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Human girls have about 6 million eggs during fetal development, but most of them die and are reabsorbed before birth, when only about 1 million are left. Most of these eggs also die and are reabsorbed before puberty. By that time, there’s about 300,000 eggs left, and the bulk of those are never released during ovulation.
Human egg cells are about 1/10 of a mm in diameter, meaning about 1,000 of them would fit in a one millimeter cube. Stacking 1,000 such cubes together would make a cube 1 centimeter on each side, and that cube would contain about 1 million egg cells. Spread that over two ovaries and there’s plenty of room for a million egg cells even in a baby.
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