Follicle Stimulating Hormone (FSH) Test

The Follicle Stimulating Hormone, or FSH, test measures the level of FSH in your blood to evaluate reproductive and hormonal health. FSH is produced by the pituitary gland and plays a central role in regulating the reproductive system. In women, it stimulates the growth of ovarian follicles and supports egg development. In men, it promotes sperm production within the testes.

FSH levels naturally fluctuate depending on age, sex, and life stage. In women, FSH varies throughout the menstrual cycle and rises significantly during menopause as ovarian function declines. In men, FSH levels tend to remain more stable but may increase if the testes are not functioning properly. Because of its close relationship with reproductive organs, FSH provides valuable insight into fertility and hormonal balance.

Abnormal FSH levels can indicate underlying reproductive or endocrine disorders. Elevated FSH in women may suggest reduced ovarian reserve or menopause. Low FSH levels may point to problems with the pituitary gland or hypothalamus. In men, abnormal levels may reflect impaired sperm production or testicular dysfunction.

This test is widely used in fertility evaluations, puberty assessments, and investigations of menstrual irregularities. Measuring FSH helps identify whether reproductive challenges are related to the ovaries, testes, or the brain’s hormonal control centers.

What Is Included In This Test?

This test includes:

• Measurement of Follicle Stimulating Hormone levels in the blood
• Clear numerical results for clinical interpretation

This test measures FSH only and does not include LH, estradiol, or testosterone.

Why Does This Test Matter?

FSH is a key hormone in fertility and reproductive development. Balanced levels are essential for normal egg production in women and sperm production in men.

In women, high FSH levels may indicate menopause, diminished ovarian reserve, or ovarian dysfunction. Low levels may suggest hypothalamic or pituitary disorders. In men, elevated FSH can signal impaired testicular function, while low levels may point to central hormonal issues.

FSH testing is also important when evaluating early or delayed puberty. Abnormal levels can help determine whether puberty-related concerns are caused by primary reproductive organ issues or by problems within the brain’s hormone regulation system.

By identifying hormonal imbalances early, the FSH test supports timely treatment, improved fertility planning, and better long-term reproductive health.

Who Should Consider This Test?

You may consider this test if you:

• Are experiencing infertility
• Have irregular or absent menstrual periods
• Are evaluating menopause or perimenopause
• Have abnormal vaginal bleeding
• Are being assessed for polycystic ovary syndrome
• Have early or delayed puberty
• Have underdeveloped or absent testicles
• Have suspected pituitary or hypothalamic disorders
• Are monitoring reproductive hormone therapy
• Want insight into overall reproductive health

Convenient, No-Appointment Testing

To complete your test:

1. Order online through our website
2. Use the lab locator to find a nearby testing location
3. Walk in; no appointment required
4. Access your results securely in your HealthLabs.com account within one to three business days

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If you find the same test for a lower price from a comparable provider, contact us. We not only match the price, we beat it by an additional 10 percent of the difference.