Estradiol (E2)
The Estradiol (E2) Test measures estrogen levels in blood to assess reproductive health, hormonal balance, and fertility.About Test
The Estradiol (E2) Test measures the level of estradiol, the primary form of estrogen, in your blood. Estrogen is a key hormone responsible for reproductive health, sexual development, and hormonal balance.
Estradiol is mainly produced by the ovaries in women and in smaller amounts by the testes in men. It plays an important role in regulating the menstrual cycle, supporting pregnancy, and maintaining bone and reproductive health.
This test helps evaluate ovarian function, diagnose hormonal imbalances, and monitor fertility or hormone therapy. It is also useful in assessing puberty-related concerns and menopause-related changes.
Why This Test
The Estradiol Test helps evaluate hormonal balance and reproductive health.
Assess Ovarian Function
Helps determine how well the ovaries are functioning.
Evaluate Menstrual Irregularities
Used to investigate missed periods, irregular cycles, or abnormal bleeding.
Diagnose Infertility Issues
Plays a key role in fertility evaluation and treatment monitoring.
Monitor Pregnancy and Fertility Treatment
Used during assisted reproductive techniques (ART) to track hormone levels.
Evaluate Menopause
Helps assess symptoms like hot flashes and hormonal decline.
Detect Hormonal Disorders
Used to diagnose conditions affecting ovaries, testes, adrenal glands, or pituitary gland.
Assess Puberty Disorders
Helps detect early or delayed puberty in adolescents.
Who Should Take
The Estradiol Test is recommended for individuals with symptoms of hormonal imbalance.
Women may need this test if they have:
- Irregular or missed periods
- Difficulty in conceiving
- Symptoms of menopause
- Abnormal bleeding
Men may need this test if they have:
- Breast enlargement (gynecomastia)
- Fertility issues
It is also advised for adolescents with early or delayed puberty and for individuals undergoing hormone therapy or fertility treatment.
Preparation
No special preparation is required before taking an Estradiol Test.
Fasting Requirement
Fasting is not required.
Best Time for the Test
The test can be done at any time during the day. In women, timing may depend on the menstrual cycle as advised by the doctor.
Medications
Inform your doctor about any hormonal medications, birth control pills, or supplements, as they may affect results.
Parameters
- Estradiol