Rh negative


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Related to Rh negative: Blood Types

Rh negative

[¦är¦āch ′neg·əd·iv]
(medicine)
Absence of the Rh-D antigen on the surface of red blood cells.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
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 5.20.2.1 (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.
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 (ONEG) RBCs.
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.