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 ...

When we think of identical twins, we often imagine mirror images — same face, same smile and perhaps even the same talents. But what surprises many is that these genetic carbon copies can have ...

Teenagers who are unhappy with their bodies are more likely to develop symptoms of eating disorders and depression in early ...

I never believed in love at first sight until I met my now-husband. I couldn't recognize him from his identical twin brother over the phone. We ended up having fraternal twins, and I got to experience ...

Mono-mono twins are an incredibly rare type of identical twins who share both a placenta and an amniotic sac. While this makes for a high-risk pregnancy, advances in monitoring and treatment have ...

"We honestly had no clue that this kind of thing [can happen] when you have twins," Nelson said in a candid video with boyfriend Zion Foster Jesy Nelson/Instagram Jesy Nelson is giving fans a candid ...