Luteinizing Hormone (LH): What It Detects, Normal Range

Sample Type

Serum

Parameters

Report Time

Same day

Fasting

No fasting required.

Overview

The Luteinizing Hormone (LH), Serum test measures the level of LH, a hormone produced by the pituitary gland that plays a vital role in the reproductive system. In women, LH helps regulate the menstrual cycle and triggers ovulation, the release of an egg from the ovary. In men, LH stimulates the testes to produce testosterone, which is essential for sperm production and male reproductive health. This test is commonly recommended to evaluate infertility, irregular menstrual cycles, ovulation disorders, menopause, delayed or early puberty, and conditions affecting the pituitary gland or reproductive organs.

What It Measures

This test measures the concentration of Luteinizing Hormone (LH) in the blood serum. The result helps assess the function of the ovariestestesand pituitary gland.

Why Take This Test?

To evaluate fertility in men and women. To assess ovulation and menstrual cycle disorders. To diagnose menopause or premature ovarian insufficiency. To investigate male infertility and testosterone production. To evaluate delayed or early puberty. To assess pituitary gland function and hormonal disorders.

How to Prepare

Description

Measures Luteinizing Hormone (LH) levels to evaluate fertility, ovulation, reproductive health, and hormonal balance in both men and women.