For the purpose of Rh immune globulin prophylaxis, the Standards start with cautioning about the Rh mistyping, and according to Standard 5.20.1, "Interpretation criteria shall be established to prevent the mistyping of an Rh-negative patient as Rh positive due to exposure to Rhpositive red cells." And to classify a pregnant woman Rh negative
, in the standard 184.108.40.206 (criteria for Rh immunoglobulin prophylaxis), it is clearly suggested.
In this study, it was observed that Rh positive was 95% and Rh negative
was found to be 5%.
Frequency of loops was highest in all Rh positive and Rh negative
blood groups except A positive and O negative where whorls were slightly predominant followed by whorls, arches and composites according to the present study.
Loops dominated in all the Blood groups of both Rh positive and Rh negative
individuals but Whorls were found to be dominating in O negative blood group.
Rh positive 10210 Rh negative
470 Note: Table made from bar graph.
The incidence of Rh negative
blood groups is highest in Britain (17%) followed by USA (15%).
The incidence of maternal complications during antenatal period showed anemia in 18.75%, gestational diabetes mellitus in 12.5%, preeclampsia in 9.375% and Rh negative
pregnancy in 6.25% cases.
Availability of Rh negative
blood bags was relatively very lo w.
When we grouped her blood, it came as Group O' Rh negative
. "We have no blood of that group in the bank," said the laboratory technician.
(2) 85% of white people are Rh positive, rest are Rh negative
. 95% of American blacks are Rh +ve, whereas 100% of African blacks are Rh +ve.
The blood shortage management algorithm was used several times during the summer and early fall of 2016 when our transfusion service faced shortages of group AB plasma and of apheresis platelets, as well as a reduced supply of group O, Rh negative
The condition most often arises when a woman with an Rh negative
blood type becomes pregnant with a baby who has Rh positive blood, and the incompatibility causes the mother's body to reject the fetus's red blood cells.