This is a condition affecting identical twins when the babies share a common placenta while in the womb.This can lead to problems in both twins as one twin can receive too much blood (the ‘recipient’ twin), and the other too little (the ‘donor’).

The ‘donor’ twin is usually much smaller than the ‘recipient’ twin and can have complications such as anaemia, growth retardation and dehydration. The extra blood received by the ‘recipient’ twin can place strain on their heart. They also have excessive urinary output resulting in increased amniotic fluid, while their co-twin suffers the opposite fate. Early detection is
key to ensuring best outcomes for both babies

Twins Research Australia

Address: 3/207 Bouverie St
Carlton, Vic 3010


ABN: 84 002 705 224

Twins Research Australia has received continuous funding from the National Health and Medical Research Council (NHMRC) since 1981, most recently through a Centre of Research Excellence Grant (2015-2022). TRA is administered by the University of Melbourne.

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