Twin-to-twin transfusion syndrome (TTTS): One twin receives the majority of the nourishment, causing the other twin to become undernourished.

It can be associated with twin-to-twin transfusion syndrome.

Because of a condition known as twin-to-twin transfusion syndrome, where essentially, much of one twin's blood transfers to the other, Boaz died shortly after his birth.

In a multiple gestation pregnancy, the cause of polyhydramnios usually is twin-twin transfusion syndrome.

Monozygotic twins who share a placenta can develop twin-to-twin transfusion syndrome.

Circulatory anastomoses between monochorionic twins may result in twin-to-twin transfusion syndrome.

This can cause disproportionate blood supply, resulting in twin-to-twin transfusion syndrome (TTTS) in 20% of MoDi pregnancies.

Multiples may become monochorionic, sharing the same chorion, with resultant risk of twin-to-twin transfusion syndrome.

Studies of twins also examine differences between twins and non-twin siblings, for instance to examine phenomena such as intrauterine competition (for example, twin-to-twin transfusion syndrome).

Dedicated to providing immediate and lifesaving educational, emotional and financial support for families, medical professionals and caregivers before, during and after pregnancy with twin to twin transfusion syndrome.