The Curious Case of The Man With Two Sets of DNA

You're Just Like Me

Microchimerism is when a small fraction of your living cells belong to someone else. This most commonly occurs when a woman gets pregnant, and fragments of their baby’s DNA find their way into her bloodstream. In fact, infant DNA is found in more than 75% of pregnant mothers, and not just in their bloodstream. Tissue samples from kidneys, spleens, ovaries, and stomach linings have illuminated the fact that pregnant mothers take on a larger piece of their children than previously thought…

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