Ronnie and Donnie Galyon set the world record for oldest-living conjoined twins in 2014, after they turned 63 Rachel DeSantis is a senior writer on the music team at PEOPLE. She has been working ...

Their remarkable journey began when Liliya discovered she was carrying conjoined twins at her 11-week scan. Doctors couldn’t say if separation would ever be possible. “Running from one ...

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 ...