Gynaecology & Obstetrics
Twin Pregnancy, Molar Pregnancy, Gestational Trophoblastic disease and contraception in special situations (Sour Grapes!)
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To say twin discordance the difference in the two twin's weight should be:
High-Yield Explanation
Discordant twins: The donor twin should be > 20% smaller in weight than the recipient twin Abdominal circumference difference of >15%