Fraternal and identical twins can be affected by pregnancy complications, and subsequent birth defects. Babies from twin pregnancies are more likely to suffer from birth-related complications than ...

I have identical twin boys and they have been competing with each other since they were toddlers. Both in sports and ...

From Romulus and Remus—the myth of the twin brothers who founded the city of Rome—to the synchronized speech of Australia's ...

A group of relatives dubbed "America's most inbred family" first started with two identical twins whose children went on to create several generations who would grunt and bark as their only form ...

Conjoined twins – identical twins that are joined together. They are extremely rare, and it’s estimated they range from one in 49,000 to 189,000 births, although around half are stillborn, and ...

Identical, or monozygotic, twins develop from the same fertilized egg that splits into two. These twins are the same sex and share the same genes. Sometimes called paternal twins, identical twins ...

Genesis or experience? A unique study of more than 11,000 pairs of identical twins sheds new light on the role of our genes ...

"They are technically known as quaternary twins," Briana Salyers said. "So they, because they are genetic brothers and they were born less than 9 or 10 months [of] each other.

News; US News; United States; Squealing inbred family who speak in grunts started with two identical twins The Whittaker family can be found living in their small West Virginian home in the US.