R

Recipient.

A person who receives donated eggs, sperm, or embryos.

Reproductive Immunophenotype.

This checks for the presence of Natural Killer Cells. In most cases, Natural Killer Cells are good because they reduce the likelihood of developing cancer. These tests measure the following CD (Cell Designation) levels:

CD-3 (normal 63-86)

CD-4 (normal 31-53)

CD-8 (normal 17-35)

CD-19 (normal 3-8)

C56 (normal 3-12) these are the Natural Killer Cells

CD3/IL2-R (normal 0-5)

CD19/CD5 (normal 0-30), high numbers in this category interfere with the reproductive hormones necessary for pregnancy.

RH negative.

This is part of a person's blood type. Rh refers to Rhesus. 15% of women lack this antenna on their red blood cells and are called Rh negative. Those who have this antenna on their red blood cells are called Rh positive. It is called Rhesus factor since it was first described in Rhesus monkeys. Rh negative women who are carrying and Rh positive child can make an antibody against the Rh positive antenna and destroy the babies red blood cells. This condition is prevented by giving the women Rh immunoglobulin (Rhogam) during pregnancy.

Rheumatoid factor.

An antibody that reacts with Ig (an immunoglobulin) found particularly in patients with rheumatoid arthritis.

Rhogam.

The immunoglobulin, very similar to IVIg, that is given to Rh negative women carrying Rh positive infants to prevent her body from developing an immunity against the babies red blood cells.