Krista and Tatiana Hogan

Krista and Tatiana Hogan (born October 25, 2006) are Canadians who are conjoined craniopagus twins. They are joined at the head and share a skull and a brain. They were born in Vancouver, British Columbia, and are the only unseparated conjoined twins of that type currently alive in Canada. They live with their mother, Felicia Simms, in Vernon, British Columbia, have two sisters and a brother and often travel to Vancouver for care at BC Children's Hospital and Sunny Hill Health Centre for Children. Birth The twins were given a 20 percent chance of survival at birth. At birth at B.C. Women's Hospital & Health Centre, they were described as "wriggly, vigorous and very vocal". They weighed 12 and a half pounds (5.7 kg) when they were born by Caesarean section. Early infant life Tatiana is smaller and less robust than Krista. Tests on them in April 2007 showed that Tatiana's heart was working harder than...