As per the University of Maryland, one in every 200,000 live twin births worldwide are conjoined, though 40 to 60 percent are stillborn and 35 percent of those who survive only live for a day.
Conjoined Twins are genetically identical, develop from the same egg, and often share vital human organs and limbs.
Abby and Brittany Hensel
Abby and Brittany Hensel were born in 1990. Their parents were told they wouldn’t survive the night, but 22 years later, the two are off to college.
They have two hearts, two sets of lungs, and two separate brains. The two have been featured in magazines and talk shows.
Daisy and Violet Hilton
The Hilton Sisters were born in 1908. Their 19-year-old mother worked in a bar and sold the twins to her boss, who toured them around the world. They gained recognition in Germany, Australia etc.