Di-di twins are like roommates with their own room and fridge. They each have their own placenta and amniotic sac – and ...

Mono-di twins share a placenta, which means they need extra monitoring to make sure they're getting enough nutrients and ...

The odds of having identical quadruplets are one in 11 million births. With Rachel Vargas's complications, her babies are one in 40 million.

After 30 weeks and three days of uncertainty and complications, the Cranston couple successfully delivered four identical ...

When Rachel Vargas returned home from the ultrasound, she was sobbing and ... known as fraternal twins. Identical twins are genetically the same. "It was a very dark and scary and difficult ...