Estrogen Levels: Importance and Measurement

The lab analyst measures the fractions of estrogen, primarily estradiol and estrone. A third lesser fraction is estriol, produced in significant amount only during pregnancy. The first two represent the major fractions found in serum. Estrogens are the major sex hormone in females, being produced primarily in the ovaries. Choose a location to see hospital-reported price summaries. This page does not show national, sample, or aggregate pricing.