Mmastodon ScienceBiology first seen 1 d ago, last 33 min ago, peak #7

Pregnancy Leaves Mothers as Genetic Chimeras, Discussion Resurfaces

Original: # ICYMI : If you've ever been pregnant, you're a chimera. I've known this for several years. But what this article taugh

A science writer is highlighting the phenomenon of fetal microchimerism, in which cells from a fetus cross the placenta and persist in the mother's body for years or even decades. She notes that even a pregnancy lost early, such as a miscarriage decades ago, can leave genetic material that may later be passed on, prompting surprise and fascination among readers.

Why now: The surprising claim that all mothers carry cells from their children, including from early miscarriages, is circulating widely on social media.

courtcanmicrochimerismfetal cells

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• # ICYMI : If you've ever been pregnant, you're a chimera. I've known this for several years. But what this article taught me is that even though I miscarried at 6 weeks more than 20 years ago, I might still harbor that embryo's genetic material -- and might have passed it to my… · courtcan · 37

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