A mother's blood type is O negative. Which choice will best determine if there is a need to administer Rho(D) immune globulin (RhoGAM)?
a. At the time of delivery, cord blood is col-lected to determine if baby's blood type is positive and if any antibodies are present.
b. If the baby's father is positive, she will need Rho(D) immune globulin.
c. Kleihauer-Betke test helps determine if the mom has already been sensitized.
d. On the first day, the baby's blood is tested to see if antibodies are being produced.
A
At the time of delivery, cord blood is collected to determine if baby's blood type is positive and if any antibodies are present. This will determine the presence of sensitization and the need for RhoGAM. Also, not all fetuses of Rh-negative mothers and Rh-positive fathers are Rh-positive. The Kleihauer-Betke test does not determine if the mom has already been sensitized; it only shows evidence of fetal cells in maternal blood during pregnancy.
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