Hormones
Estradiol
A major estrogen hormone measured in blood.
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About this biomarker
Estradiol is one of the main estrogen hormones. It is measured in many reproductive and endocrine evaluations.
Why it matters
It helps assess ovarian, testicular, adrenal, and overall reproductive hormone patterns.
What lower levels may suggest
Low estradiol may be seen with menopause, low ovarian function, low body fat, or certain pituitary conditions.
What higher levels may suggest
High estradiol may be seen with pregnancy, ovarian activity, obesity, hormone therapy, or some tumors.
Common tests
Estradiol test, reproductive hormone panel
Related biomarkers
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