Ultrasound Imaging in Multifetal Pregnancies: Its
Ultrasound Imaging in Multifetal Pregnancies: Its
Ultrasound Imaging in Multifetal Pregnancies: Its
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Tw<strong>in</strong>-Tw<strong>in</strong> Transfusion Syndrome Stag<strong>in</strong>g<br />
(TOPS)<br />
Stage I<br />
Stage II<br />
Stage III<br />
Stage IV<br />
Oligohydramnios(8cm)<br />
Discordant fluid volume<br />
No bladder <strong>in</strong> the donor tw<strong>in</strong><br />
Doppler flow- absent or reversed <strong>in</strong> umbilical artery or<br />
ductus venosus, pulsatile flow <strong>in</strong> the umbilical ve<strong>in</strong><br />
Hydrops <strong>in</strong> one or both fetuses<br />
Stage V<br />
One or both fetuses have died<br />
Qu<strong>in</strong>tero R et al J. Per<strong>in</strong>atol 1999;19:55
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