LH (Luteinizing Hormone)

Luteinizing Hormone (LH) is a hormone produced by the pituitary gland in the brain, playing a key role in reproduction. In women, it triggers ovulation—the release of an egg from the ovary—and helps regulate the menstrual cycle. In men, LH stimulates the testes to produce testosterone, which is essential for sperm production and male characteristics. LH levels fluctuate throughout the cycle, providing important information for fertility and hormonal health. It is often tested in medical settings to assess reproductive function and diagnose hormonal imbalances.