when is rubella screen done
A test for rubella is done to find out if: 1  A woman who is or wants to become pregnant is immune to rubella. 2  A recent infection was caused by the rubella virus. 3  A person has been vaccinated against rubella. 4  Health professionals who are in contact with pregnant women have had rubella. rubella test is usually done for a woman who is or wants to become pregnant to determine whether she is at risk for rubella. Several laboratory methods can be used to detect rubella antibodies in the blood.