Medical records reveal the girl, surnamed Ha, was just 16 years old when an embryo was implanted – a clear violation of ...

A divorced Michigan couple disagreed about what to do with their last frozen embryo: she wants another child and he doesn't.

University of Southern Denmark researchers find nurture, not nature, influences tattoo propensity in twins, debunking genetic ...

"She put in so much work. I'm so proud of her," Allie Conway told Newsweek. "It was definitely not an easy task, but she didn't give up...it really paid off." ...

In establishing whether twins are truly growth restricted with ... This ability of the environment experienced by the embryo around the time of conception to influence developmental trajectories ...

Did you know that some twins can have different fathers? Discover more fascinating facts about twins! Twins have always ...

About 12% of pregnancies begin as multiples, but fewer than 2% reach full term. Vanishing Twin Syndrome occurs when one embryo stops developing and is absorbed, leaving a single surviving baby.

Alec Baldwin's wife has explained how two of their children were born just five and a half months apart, revealing that Alec affectionately calls them 'twins' because of their special connection.

The Teen Mom family may be growing by one (or two!) more as Mackenzie McKee undergoes an embryo transfer on this week’s episode of Teen Mom: The Next Chapter — and she’s not the only one on a ...