Luteinizing hormone (LH) stimulates processes in your body that are important for puberty, sexual function, reproduction and sex drive. A tiny structure at the base of your brain called the …

This test measures the level of luteinizing hormone (LH) in your blood or urine (pee). LH affects sexual development in children and fertility in adults. Learn more.

Sep 5, 2024 · A luteinizing hormone test measures how much luteinizing hormone (LH) is in your blood. LH helps your reproductive system: specifically, a woman’s ovaries and a man’s testes.

Luteinizing hormone (LH, also known as luteinising hormone, [1] lutropin and sometimes lutrophin[2]) is a hormone produced by gonadotropic cells in the anterior pituitary gland. The …

In women, the pituitary sends out LH during the ovulation part of the menstrual cycle. This tells the ovaries to release a mature egg. In men, LH causes the testes to make testosterone. This test …

May 20, 2024 · What is LH? Luteinizing Hormone (LH) is a reproductive hormone produced by the pituitary gland in the brain. It is a ‘gonadotropin’ hormone, which means that it exerts its effects …

LH levels normally change with the phase of the menstrual cycle. This hormone goes up fast just before ovulation occurs, about midway through the cycle (day 14 of a 28-day cycle).

Jul 3, 2025 · Luteinizing Hormone (LH) is a gonadotropin hormone secreted by the anterior pituitary gland in the brain. It works in concert with Follicle-Stimulating Hormone (FSH) to …

Jul 26, 2025 · Luteinizing hormone (LH) is a crucial reproductive hormone that triggers ovulation in women and testosterone production in men. Testing LH levels helps diagnose fertility …

Dec 15, 2025 · Luteinizing hormone (LH), one of two gonadotropic hormones (i.e., hormones concerned with the regulation of the gonads, or sex glands) that is produced by the pituitary …