A YOUNG woman has shared how she is one of the rarest types of twins in the world. Hope Baxter and her sister, Faith, are ...

Conjoined fetuses are a rare type of identical twins that share a placenta and an amniotic sac, when the embryo divides at 13-15 days from conception. The incidence ranges from 1/50,000-1/100,000 ...

Even more rare, the couple learned: Their girls are two sets of identical twins. “I was laughing and crying at the same time,” Farrah, 29, tells PEOPLE. “My husband was about to pass out.” ...

To their surprise, the girls are not just quadruplets, but two sets of identical twins. “I was laughing ... about the couple’s super rare quadruplet daughters. “[The chances are] somewhere ...

not to mention the extremely rare outcome of having two sets of identical twins. “Clearly God has a plan for these girls because the odds were against us. We’ve just got to trust Him ...