LH (Leutinizing Hormone)

This test measures luteinizing hormone (LH), a hormone made by the pituitary gland that helps regulate reproductive function. In females, LH is involved in ovulation and menstrual cycle regulation; in males, it supports testosterone production. It may be used to help evaluate irregular periods, fertility concerns, ovulation, puberty-related changes, or possible pituitary or gonadal hormone imbalance. Results are interpreted alongside symptoms, medical history, and other hormone tests.

This overview is educational. Use the recorded preparation, sample and lab-partner details below for collection guidance, and confirm any missing information before collection.