The recipient has extra amniotic fluid (polyhydramnios). Stage I: There is reduced amniotic fluid (oligohydramnios) around the donor.Quintero Staging System for TTTSĪ system known as Quintero Staging is used to describe the severity of TTTS: Additional evaluation including fetal echocardiogram to evaluate heart function or a fetal MRI of the baby’s brain may be helpful to completely assess the pregnancy. We recommend beginning regular ultrasounds at 16 weeks gestation and following closely for the rest of pregnancy. Since it can arise quickly, it is important that pregnancies with a shared placenta be screened and followed closely with ultrasound looking at the amount of fluid around the babies. VIDEO: What is twin-to-twin transfusion syndrome (TTTS)? Twin to twin transfusion syndrome (TTTS) diagnosis Offering treatment increases the chances the babies can survive and be healthy. When TTTS develops, it is dangerous for both babies involved with a high chance of death if there is no treatment (over 90% risk for most cases). This baby usually grows normally and is called the ‘recipient’. The baby receiving more blood will have extra fluid around them (polyhydramnios). When babies are diagnosed with twin-to-twin transfusion syndrome, the baby sending more blood to the other will make less urine and have less fluid around them (oligohydramnios).
It most often develops in the second trimester of pregnancy but can happen at any point. Unequal sharing of blood flow can cause TTTS. If the blood is shared equally, the babies will do fine. All babies who share a placenta share blood supply through connecting blood vessels. TTTS can occur in any gestation, even triplets or quadruplets, when two or more babies share their placenta. Twin to twin transfusion syndrome (TTTS) is a rare complication of pregnancy that develops in 10-15% of twins when the babies share the same placenta (monochorionic).
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