What is the difference between CMV IgG and IgM tests?

1 min. readlast update: 02.01.2024

When screening for CMV, there are two test types:

  • The CMV IgG test indicates previous exposure to CMV
  • The CMV IgM test indicates a recent or current CMV infection

If the CMV IgM comes back positive, all semen vials are destroyed.



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