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What is Anti D prophylaxis is administered in all except? and explain in detail?
Ans. D. Intra uterine transfusionAnti D prophylaxis is not given after intrauterine transfusion.Intrauterine transfusion is done to prevent the fetus from dying.If the hydropic fetus is too immature for early delivery, intrauterine transfusion is done.Transfusion is done through intraperitoneal and intravascular routes.This is performed using O-negative, cytomegalovirus negative, washed irradiated packed red cell.The volume to be transfused is roughly calculated by the formula: (weeks of gestation-20) multiplied by 10.Transfusion is repeated whenever fetal hemoglobin levels falls below 10gm/dl.