The sisters' sons were also the same weight and height at birth. Identical twin sisters Jill Justiniani and Erin Cheplak share the same birthday, and now their newborn sons do, too. Justiniani and ...

Two sisters now have two birth days in common after having babies on the same day at the same hospital. Identical twins Rachel Schmidtberger and Lindsey Denny have shared nearly every milestone in ...

The idea of identical twins is fascinating to so many people. As BBC Culture pointed out, the existence of two people who look alike in every way brings up questions about the nature of self and what ...