A Twin Was Born Inside of a Twin in an Extremely Rare Birth—Here's How That's Possible

Health.com - 03-21

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Just when we thought we had heard every strange birth story out there, we found out about a baby born in Colombia that gives strange a whole new meaning. A mother gave birth to a little girl who had the fetus of her twin growing inside of her. Yep, the baby was more or less pregnant with her own twin. Mind. Blown.