Rare antibody requires specialized care for pregnant mother Aspects Volume 38 No. 3 Written by Rebecca Budde • Photography by Jason Johnson Image Caption: McKenzie Sargent and her fourth child, Bryar, 5 months, who had the same life-threatening complications at birth as his older sister. Braylee, 3, Carter, 8, and Shaylon, 11, play in the background. At only 10 days old, Braylee Sargent underwent a blood exchange transfusion, replacing approximately 80 percent of her blood volume in order to save her life. "It was a very long 10 days in a hospital room away from our other two children at home