Abigail Loraine Hensel and Brittany Lee Hensel were born on 7 March 1990, Carver County, Minnesota, United States and they are dicephalic conjoined twins. Brittany is the left twin, and Abigail is the right twin. They have two spines which join at the pelvis. They have two stomachs, three lungs, and two arms. (A third, underdeveloped and useless arm between their heads was removed in infancy.)
Most of Abigail and Brittany's shared organs lie below the waist line. The deatil is presented below:
2 heads
2 arms -- originally 3, but the short malformed central arm was removed
2 spinal cords and backbones which merge at the pelvis - surgery corrected scoliosis
3½ lungs -- surgery expanded their chest cavity
2 breasts
2 hearts in a shared circulatory system -- medicine taken by either affects both
1 liver
2 stomachs
3 kidneys
2 gallbladders
1 bladder
1 ribcage
1 large intestine
1 female reproductive system