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LH urine test/home test    

Overview | Risks | Results

Alternative names:

Luteinizing hormone urine test; Ovulation prediction test; Urinary immunoradiometric assays (IRMA)

Definition:

A urine test that detects LH levels above a certain threshold.

How the Test is Performed

Urine is collected -- but the first urine of the day should not be used for this test. A sample of the urine is then applied to the test kit.

Why the Test is 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 gonadotropins (LH is one of these) which stimulate the ovary to prepare a follicle to release an egg. Once the follicle that will ovulate has matured, a dramatic rise in LH levels ("surge") signals the ovary to release the ovum (egg). Ovulation typically occurs 10-12 hours after the peak of a LH surge.

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