Luteinizing Hormone

LH (Luteinizing Hormone)

What Affects the Test

Results of the luteinizing hormone test may be affected by:

• The use of certain hormones, including those containing estrogen or progesterone (such as birth control pills).
• The use of medicines, such as clomiphene, spironolactone, naloxone, digoxin, phenothiazine, and those given for seizures (anticonvulsants).
• Obesity.
• Hyperthyroidism.
• Liver disease.
• Diagnostic imaging procedures, such as a thyroid scan or bone scan, that use a radioactive substance (tracer) and were performed within 7 days prior to LH testing.

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Author:	Maria G. Essig, MS, ELS	Last Updated: June 6, 2007
Medical Review:	Patrice Burgess, MD - Family Medicine Kirtly Jones, MD - Obstetrics and Gynecology
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