Mono-di twins share a placenta, which means they need extra monitoring to make sure they're getting enough nutrients and ...

Mono-mono twins are an incredibly rare type of identical twins who share both a placenta and an amniotic sac. While this makes for a high-risk pregnancy, advances in monitoring and treatment have ...

Examining each twin’s DNA will reveal whether they are identical or fraternal; fraternals also normally have separate amniotic sacs, as well as separate placentas. Are boy-girl twins always ...

They have their own amniotic sacs and placenta, so are just sharing the womb of the mother, and are therefore not identical. There are few complications with Di Di twins, so have a good chance of ...

Hope and her sister, Faith Baxter, both 24, are Momo twins - monochorionic monoamniotic - identical twins who share a placenta and amniotic sac. Doctors told their parents that if they went to full ...

An identical twin has revealed that there is something that sets her apart from her sister: her weight. Since hitting puberty, Ashley has generally weighed 20 to 30lbs more than her sister ...

a condition in which identical twins sharing a placenta experience uneven blood flow between them. "It was just a completely different experience," Rachel Vargas said, comparing her first two ...

Two babies were later diagnosed with twin-to-twin transfusion syndrome (TTTS), a condition where identical twins sharing a placenta experience uneven blood flow. Without treatment, one twin can ...

PROVIDENCE, R.I. (WPRI) — Around one in 11 million. Those are the odds medical experts gave Rachel and Marco Vargas for their rare pregnancy. Vargas Family ultrasound (Courtesy: Banner Health ...

or TTTS,” a condition formed when “identical twins sharing a placenta experience an uneven blood flow between them, causing one to give too much blood to the other,” the statement said.

The third baby had a marginal cord insertion. Two of the babies were diagnosed with twin-to-twin transfusion syndrome, a condition in which identical twins sharing a placenta experience uneven blood ...