A patient with twin pregnancy, USG done at 26 weeks of pregnancy shows a single placenta, first twin with AFI of 5 cm, fetal weight of 700 gms, bladder not visible, second twin with AFI of 16 cm, fetal weight of 1200gms. Diagnosis is?
Correct Answer: Twin to twin transfusion syndrome
Description: Twin to twin transfusion syndrome (TTTS) Occurs in monochorionic twin pregnancy. Cause is unidirectional blood flow through A-V anastomosis in a cotyledon shared by the two twins. Features: Discordant twins (difference in fetal weight > 20 % with larger twins as reference) Donor twin: oliguria, anemia, cardiac failure, IUGR, absent bladder Recipient twin: polyuria, hyperbilirubinemia, polyhydramnios, hydrops Poly-oli ( 'polyhydramnios in recipient -oligohydramnios in donor' sequence)
Category:
Gynaecology & Obstetrics
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