Luteinizing Hormone

Luteinizing Hormone (LH) is a crucial hormone in both men and women, produced by the anterior pituitary gland. In women, LH plays a vital role in ovulation and the maintenance of the menstrual cycle. It triggers the release of an egg from the ovary and stimulates the production of progesterone. In men, LH stimulates the production of testosterone by the testes. Balanced LH levels are essential for reproductive health and hormonal balance in both sexes....

Luteinizing Hormone

Who would benefit from testing their LH levels?

Testing LH levels can benefit individuals facing fertility issues, irregular menstrual cycles, or symptoms of hormonal imbalances. It’s also helpful for those undergoing fertility treatments or suspecting conditions like polycystic ovary syndrome (PCOS) in women or low testosterone levels in men.

What are symptoms of High or Low LH?

High LH:

    • In women: Irregular or missed periods, symptoms of PCOS
    • In men: Low testosterone symptoms, such as reduced muscle mass and libido

Low LH:

    • In women: Infrequent ovulation or amenorrhea
    • In men: Reduced sperm production, low testosterone

Can LH levels indicate menopause or perimenopause?

Yes, elevated LH levels can be an indicator of menopause or perimenopause, as the body tries to stimulate the ovaries which are less responsive.

How does LH function in the menstrual cycle?

In women, LH surges mid-cycle to trigger ovulation, releasing an egg from the ovary, and is crucial for maintaining the menstrual cycle’s regularity.

Test(s) that measure/test for Luteinizing Hormone

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