Luteinizing hormone

View Stages of Pregnancy Slideshow Pictures

Medical Definition of Luteinizing hormone

Luteinizing hormone: A gonadotropin (a hormone that affects the function of the sex organs) that is released by the pituitary gland in response to luteinizing hormone-releasing hormone. Abbrevi'ated LH. In females, LH controls the length and sequence of the female menstrual cycle, including ovulation, preparation of the uterus for implantation of a fertilized egg, and ovarian production of both estrogen and progesterone. In males, LH stimulates the testes to produce androgen. Also known as interstitial-cell-stimulating hormone (ICSH). See also gonadotropin.


Quick GuideStages of Pregnancy: 1st, 2nd, 3rd Trimester Images

Stages of Pregnancy: 1st, 2nd, 3rd Trimester Images

Subscribe to MedicineNet's Pregnancy & Newborns Newsletter

By clicking Submit, I agree to the MedicineNet's Terms & Conditions & Privacy Policy and understand that I may opt out of MedicineNet's subscriptions at any time.

Reviewed on 5/13/2016

Health Solutions From Our Sponsors