Luteinizing Hormone Overview

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We have translated your query to: "lh blood test"


  • Summary
  • Definition
  • Considerations
  • Other Names
  • How the Test is Performed
  • How the Test will Feel
  • How to Prepare for the Test
  • Normal Results
  • Risks
  • What Abnormal Results Mean
  • Why the Test is Performed
Reviewed By Melanie N. Smith, M.D.

Definition

LH blood test measures the amount of luteinizing hormone (LH).

LH is a protein hormone released by the anterior pituitary gland . In women, an increase in LH levels at mid-cycle causes ovulation.

In men, LH stimulates production of testosterone .


Other Names

ICSH; Luteinizing hormone


How the Test is Performed

Blood is drawn from a vein, usually from the inside of the elbow or the back of the hand. The site is cleaned with germ-killing medicine (antiseptic). The health care provider wraps an elastic band around the upper arm to apply pressure to the area and make the vein swell with blood.

Next, the health care provider gently inserts a needle into the vein. The blood collects into an airtight vial or tube attached to the needle. The ...

Keep reading...

Encyclopedia: Luteinizing Hormone

Wikipedia.orgWIKIPEDIA.ORG

Luteinizing hormone is a hormone produced by the pituitary gland. , In the female, an acute rise of LH the LH surge triggers ovulation. , In the male, where LH had also been called Interstitial Cell Stimulating Hormone , it stimulates Leydig cell production of testosterone. LH is a glycoprotein. Each monomeric unit is a sugar-like protein molecule; two of these make the full, functional protein. Its structure is similar...
More at Wikipedia.org »

Yahoo! Answers

Yahoo! AnswersYAHOO! ANSWERS

Luteinizing hormone...?
Using luteinizing hormone and testosterone as examples how is it a negative feedback?

Hypothalamus releases GnRH, which acts on Anterior Pituitary which releases FSH and LH. Lh acts on interstital horomnes to produce testosterone. When testosterone increases, the hypothalamus detects this. It...

Asked by <3DA<3 - 20 months ago

When is the best time to test for Luteinizing Hormone during ovulation?
When I am approximating my ovulation days - when is the best time to teest...

lola is right but i just wanted to add: don't get discouraged if you get to like day 15,16,17 etc and still haven't gotten a positive. you may be...

Asked by Auntie Aggie - 13 months ago


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