Mind blown: Woman gets pregnant while already pregnant

Mind. Blown.

A California woman got pregnant while she was already pregnant.

She carried "twins" from 2 sets of parents.

Jessica Allen agreed to be a surrogate for a Chinese couple.

6 weeks into that pregnancy, the 31-year-old was told she was carrying twins. The first thought was that the embryo had split. A month after the babies were born, DNA test showed that one baby was actually Allen's biological child and one had the Chinese couple's DNA.

Allen went through a complicated legal process to get her child back from the couple. She was able to get custody of her son in February.

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