Tag
uterine lining
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The Science Behind Dark Period Blood: Why Is My Period Blood Black?
The first time you notice your period blood isn’t the bright red you expect, it can be unsettling. Dark, almost black period discharge—sometimes called "old...
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Why Your Period Blood Turns Black: Science, Myths, and What It Means
The color shift isn’t random. It’s a byproduct of how blood behaves when it lingers in your uterus before being shed. Old blood oxidizes—just like a bruise...