Luteinizing Hormone (LH)

About this test

Luteinizing Hormone is a hormone test that measures LH levels in the blood. LH is produced by the pituitary gland and plays a key role in triggering ovulation in women and testosterone production in men.The Luteinizing Hormone test helps evaluate reproductive health and hormonal balance. In women, a surge in Luteinizing Hormone triggers the release of an egg from the ovary. In men, Luteinizing Hormone stimulates the production of testosterone.

Abnormal Luteinizing Hormone levels may indicate conditions such as PCOS, pituitary disorders, or gonadal dysfunction.

Key points:

• Measures LH hormone
• Triggers ovulation
• Supports testosterone production in men
• Important for fertility assessment
• Works with FSH

Why consider this test?

The Luteinizing Hormone test is important for assessing ovulation and reproductive health. It helps identify hormonal imbalances affecting fertility. In women, abnormal Luteinizing Hormone levels may suggest PCOS or ovulatory disorders. In men, it helps evaluate testosterone-related issues.

Key reasons:

• Confirms ovulation
• Diagnoses PCOS
• Evaluates infertility
• Detects hormonal imbalance
• Supports endocrine evaluation

Who should get tested?

Luteinizing Hormone is recommended for individuals with fertility concerns or hormonal symptoms.

Recommended for:

• Women with irregular cycles
• Infertility evaluation
• Suspected PCOS
• Men with low testosterone
• Hormonal disorders

More Information

Luteinizing Hormone test is usually performed during specific days of the menstrual cycle. No fasting is required.

Results should be interpreted along with FSH and Estradiol for accurate diagnosis.

Additional details:

• Cycle-dependent
• No fasting required
• Combined hormone analysis
• Important for fertility
• Clinical correlation needed