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Estrogen Levels

Meaning

Estrogen Levels refer to the measurable concentration of the various forms of estrogen—primarily estradiol, estrone, and estriol—circulating in the bloodstream at any given time. Clinically, these levels are dynamic and vary significantly based on age, sex, reproductive status, and time within the menstrual cycle. Measuring these levels is essential for diagnosing conditions like menopausal transition, hypogonadism, and for monitoring hormone replacement therapy efficacy.