Estradiol (E2): What It Detects, Normal Range

Sample Type

Serum

Parameters

Report Time

Same day

Fasting

No fasting required.

Overview

The Estradiol (E2), Serum test measures the amount of estradiol in the blood. Estradiol is the most active form of estrogen and plays a crucial role in the development and regulation of the female reproductive system. It is also present in males, where it contributes to bone health, libido, and hormonal balance. This test is commonly used to evaluate fertility, menstrual irregularities, ovarian function, menopause status, puberty disorders, and hormone-related conditions. It may also be used to monitor hormone replacement therapy and fertility treatments.

What It Measures

This test measures the concentration of Estradiol (E2) in the blood serum. Estradiol is primarily produced by the ovaries in womenwhile smaller amounts are produced by the adrenal glandstestesand body fat in both men and women.

Why Take This Test?

To assess overall kidney function. To detect chronic kidney disease (CKD) at an early stage. To monitor existing kidney disorders. To evaluate kidney health in people with diabetes or high blood pressure. To assess the effectiveness of kidney disease treatment. To support routine health screenings and preventive care.

How to Prepare

Description

Measures the level of estradiol (E2), a key estrogen hormone, to assess reproductive health, fertility, menstrual function, and hormonal balance.