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What is twin-twin transfusion syndrome?

3 doctors weighed in
Dr. Jeff Livingston
Obstetrics & Gynecology
1 doctor agrees

In brief: AKA TTTS

Ttts is when twins share abnormal blood vessel connections allowing one baby to "steal" blood from the other. Another name for this syndrome is poly/oli twins because one will have too much amniotic fluid (polyhydramnios) and the other too little fluid (oligohydramnios.
) this is a high risk situation that will need to be carefully monitored by serial ultrasound and may require early delivery.

In brief: AKA TTTS

Ttts is when twins share abnormal blood vessel connections allowing one baby to "steal" blood from the other. Another name for this syndrome is poly/oli twins because one will have too much amniotic fluid (polyhydramnios) and the other too little fluid (oligohydramnios.
) this is a high risk situation that will need to be carefully monitored by serial ultrasound and may require early delivery.
Dr. Jeff Livingston
Dr. Jeff Livingston
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In brief: Complications

Ttts is a serious condition that complicate 8-10% of twin pregnancies with monochorionic diamniotic placentation, when one twin has smaller amount of amniotic fluid in one sac (oligohydramnios), and another bigger (polyhydramnios).
The reason for that lies in the anomaly placental vessels connection, which leads to a different blood supply of the fetuses: smaller to donor, larger to recipient.

In brief: Complications

Ttts is a serious condition that complicate 8-10% of twin pregnancies with monochorionic diamniotic placentation, when one twin has smaller amount of amniotic fluid in one sac (oligohydramnios), and another bigger (polyhydramnios).
The reason for that lies in the anomaly placental vessels connection, which leads to a different blood supply of the fetuses: smaller to donor, larger to recipient.
Dr. Ecaterina Sartina
Dr. Ecaterina Sartina
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