LH (luteinizing hormone) is produced by the pituitary gland and triggers ovulation in women and stimulates testosterone production in men. It works alongside FSH to regulate reproductive function.
Category: Hormones
Also known as: lh, luteinizing hormone, lutropin
Reference range: 1.7–8.6 mIU/mL (Source: ABIM)
Standard unit: mIU/mL
High values may indicate
High LH levels may indicate menopause or primary ovarian failure in women, testicular failure in men, polycystic ovary syndrome (PCOS), or pituitary tumors.
Low values may indicate
Low LH levels may indicate pituitary gland disorders, hypothalamic dysfunction, eating disorders, severe stress, or use of hormonal contraceptives, and can lead to infertility.