The twins' deformity, called craniopagus twinning, occurs in 1 in 10 million live births, according to the foundation. About 2 percent of conjoined twins are connected head-to-head.

Successfully separating conjoined twins was once considered impossible, but technological breakthroughs are making the ...

A pair of conjoined twins joined at the head, born on last Saturday at Mymensingh’s Sherpur, died at Dhaka Medical College Hospital. Father of conjoined sisters Tofa and Tahura, who were ...

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 ...

A rare occurrence of two brains in one body at a Berkeley pet store. One hatchling born at East Bay Vivarium turned out to be ...