Credit scores range from 300 to 850; scores of 620 or below are generally regarded as bad credit scores. However, it's important to note that what qualifies as a bad credit score is a little subjective and depends somewhat on the lender. A home mortgage is a good example of this credit score subjectivity. Federal mortgage companies Fannie Mae and Freddie Mac consider 620 and below to be bad credit scores.
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.
Screening tests include: 1  Nuchal translucency testing. This test, performed between 11 and 14 weeks of pregnancy, uses ultrasound to measure the clear space in the folds of tissue behind a developing baby's neck. 2  The triple screen or quadruple screen (also called the multiple marker test).