Collection Notes: Please collect a designated SST tube for this test. The SST tube for this test code cannot be shared with other testing.
Clinical Utility: Estriol is the estrogen that is produced in significant amounts during pregnancy, and it has potential protective properties against the production of cancerous cells. Levels of estriol in non-pregnant women do not change much after menopause, and levels are not appreciably different from levels in men.
Serum (1 mL)
Ambient 7 Days
Refrigerated 60 Days
Frozen 1 Year
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