Gynaecology & Obstetrics Which of the following is not a criterion for antenatal diagnosis of Twin-Twin transfusion syndrome? A Oligohydramnios in donor fetus B Dichorionicity C Hemoglobin difference of > 5 g/dL between the two foetuses D Weight difference of > 20% between the two foetuses 💡 Explanation Which of the following is not a criterion for antenatal diagnosis of Twin-Twin transfusion syndrome? ✓ Correct Answer: B. Dichorionicity