Every
couple that wishes to marry must comply with a states requirements.
Only a few states require a blood test these days or a blood
test and physical examination before marriage to show whether
one party is infected with an STD - (most often the test is
for Syphilis). In some states, for example, the clerk is forbidden
to issue a marriage license until the parties present the
results of the blood test.
Here is a summary of each states laws regarding premarital
procedures, including blood tests and waiting periods before
marriage. However, because state laws in this area have been
changing rapidly -- many states have recently eliminated blood
tests, SO, check with your county clerks office if you
are planning on getting married or want the most up-to-date
status in your state. These are from May 2004.