Twiblings? Siblings Born Days Apart From Different Wombs
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Melanie Thernstrom, who didn’t meet her husband Michael Callahan until she was 41. The two appeared on the “Today” show Monday to talk about their so-called “twiblings.”The couple are parents to a son and daughter conceived with Callahan’s sperm and donor eggs and placed in two different surrogate mothers. The children were born only days apart.

