An Ohio woman celebrated Mother’s Day by giving birth last week to “mono mono” twins, meaning they shared both a placenta and an amniotic sac.
— Children's Hospital (@AkronChildrens) May 12, 2014
Twins like Sarah Thistlethwaite’s happen only once in 10,000 pregnancies. The twins, Jenna and Jillian, were born holding hands. See the video below: