LH Urine Test (Home Test )
Alternate Names : Luteinizing Hormone Urine Test (Home Test), Ovulation Prediction Test, Urinary Immunoradiometric Assays (IRMA)
Definition This urine test detects LH levels above a certain threshold.
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Why is the Test Performed?
The test is done to determine the time of ovulation and is also used to adjust doses of certain medications.
The anterior pituitary gland secrets hormones called gonadotropins (LH is one of these), which stimulate the ovary to prepare a follicle to release an egg. Once the follicle has matured, a dramatic rise in LH levels (known as the "LH surge") signals the ovary to release the egg. (This is ovulation.) Ovulation typically occurs 10-12 hours after the peak of the LH surge.
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