Geneticists used to think that identical twins don't run in families, because the splitting of the fertilized egg happens randomly. While research has shown that most cases of identical twinning ...

That's why fraternal twins don't look identical, and can be boy/girl rather than just girl/girl or boy/boy. The majority of twins (70%) are fraternal. Learn your chances of having twins.

The author (not pictured) married an identical twin and had fraternal twins. Courtesy of the author I had an emergency C-section and gave birth to my twins early at 35 weeks.

I’m 10 weeks pregnant and have just been informed by an ultrasound tech that I’m carrying identical twins. I’m searching for an eject button, probing for an escape from the high-risk ...

These babies are identical twins, but their mom has no trouble telling them apart. “People say, ‘The doctors lied to you. Your twins aren’t identical,’” Danielle Marple of Venice ...

Fascination with twins and what twin studies tell us about human nature is universal. There is no question that behavioral and medical science advances have happened largely because twins yield a ...

The author (not pictured) married an identical twin and had fraternal twins. Courtesy of the author I had an emergency C-section and gave birth to my twins early at 35 weeks.