A SET of identical twins who married identical brothers have opened up about their lives, and what people always get wrong.

we think of fraternal or identical pairs. But did you know that there are many other types and subtypes of twins, including mirror twins, conjoined twins, and even semi-identical twins?

She has been working at PEOPLE since 2017. After spending almost a year in intensive care following their arrival, conjoined twins Addison and Lilianna Altobelli were successfully separated ...

Twins Sydney and Lexi were conjoined at birth and separated seven months later in a risky surgery, but are now thriving at age 17 Julie Mazziotta is the Senior Sports Editor at PEOPLE, covering ...

Conjoined fetuses are a rare type of identical twins that share a placenta and an amniotic sac, when the embryo divides at 13-15 days from conception. The incidence ranges from 1/50,000-1/100,000 ...