The e antigen was added in 1945.9. 1941, two more antigens were added to the Rh system: C, described by Weiner,5 and c, described by Levine.6 In 1943, the E antigen was described7,8 and added to the Rh system. The ABO and Rh blood systems are discussed in detail below. Rh incompatibility is a condition that occurs during pregnancy if a woman has Rh-negative blood and her baby has Rh-positive blood. In case of Rh incompatibility between the mother and the fetus, the mother's blood antibodies destroy the red blood cells of the infant. Maternal Rh isoimmunization can also occur if a Rh +ve blood is transfused to Rh -ve mother. Unlike Rh, ABO disease can occur in first pregnancies, because anti-A and anti-B antibodies are found early in life from exposure to A- or B-like antigens present in many foods and bacteria. The ABO grouping system is classified into four types based on the presence or absence of antigens on … 1. Today the Rh system is a complex group of 54 different specificities of red blood cell antigens (Table 1).10. (2) Clinical presentation: generally less severe than with Rh disease. Rh incompatibility is defined as a sensitization that occurs when an Rh-negative (blood type) mother delivers an Rh-positive (blood type) baby. Consequences of Rh - ABO Incompatibility . ABO blood Group system. ABO Incompatibility - Free download as Powerpoint Presentation (.ppt), PDF File (.pdf), Text File (.txt) or view presentation slides online. Immune (abo, Rh Incompatibility) Or Nonimmune (g6pd Deficiency) Hemolytic Anemia, Polycythemia, PPT. This can be occur by transfusion of mismatched blood, as a result of pregnancy & abortion Rh incompatibility can prevented by active immunization and minimize feto-maternal bleed. View ABO-incompatibility-1.pptx from AA 1ABO incompatibility Group 9 San Pedro, Lean Dominic Sanchez, Ma. This incompatibility arises several fatal blood related problems in newborns. 11. Presentation Summary : Immune (ABO, Rh incompatibility) or nonimmune (G6PD deficiency) hemolytic anemia, polycythemia, and the presence of bruising or other extravasation of blood. Rh D incompatibility can occur when a women with Rh negative blood type is pregnant with a fetus with a Rh positive but not Rh negative blood type. The basis of ABO grouping is of two antigens- Antigen A and Antigen B. (3) Laboratory findings that differ from Rh disease: Smear: microspherocytosis Kristine Sebastian, Roxanne Shinotsuka, Riona Shelly Singh, Cristy Sison, Angel The risk increases with second and consequent pregnancies of the Rh incompatible mothers. Learn more about causes, risk factors, screening and prevention, signs and symptoms, complications, diagnoses, treatments, and how to participate in clinical trials. 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