Rh-positive


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Related to Rh-positive: Rhesus positive

Rh-positive

(är′āch-pŏz′ĭ-tĭv)
adj.
Containing an Rh factor.
References in periodicals archive ?
Initial observation: A blood donor, who historically phenotyped as group O Rh-negative, now phenotypes as group O Rh-positive.
Rhesus disease is rare because 85 per cent of people are Rh-positive.
Delivery of an Rh-positive baby irrespective of the ABO groups of the mother and baby -- Antepartum prophylaxis at 26 to 28 weeks gestation -- Antepartum fetal-maternal hemorrhage (suspected or proven) as a result of placenta previa, amniocentesis, chorionic villus sampling, percutaneous umbilical blood sampling, other obstetrical manipulative procedure (e.
Fifty years ago, when a mother was immunized to Rh there was a 50% risk that an Rh-positive fetus would die.
Moreover, an Rh-negative person can withstand one accidental transfusion of Rh-positive blood because the Rh-negative person doesn't develop anti-Rh antibodies until 3 or 4 months later, Klein says.
Without treatment, if blood from an Rh-positive fetus "leaks" into the blood stream of its Rh-negative mother, the woman can have a reaction to the Rh factor on the blood cells and develop antibodies.
An Rh-positive parent can have an Rh-negative child.
New evidence still needs to be reconciled with earlier reports showing that Rh-negative women were twice as likely as Rh-positive patients to be colonized with group B streptococcus (GBS), said the professor and chair emeritus of ob.
Q It is common practice and declared community standard by our blood center that Rh-negative elderly patients and Rh-negative males over 55 receive Rh-positive blood for transfusion because Rh-negative donor blood is always in short supply and must be conserved for childbearing-age females and newborns.
If the cord blood study was Rh-positive, an RhIG workup was ordered on the new mother immediately, a post-delivery blood specimen was taken, and the following four tests were performed: ABO, antibody screen, Rh, and fetal test (FBST).
Problem: Our blood bank's transfusion policy prevented our technologists from using Rh-negative donor units for Rh-positive recipients.