This test measures the level of luteinizing hormone (lh) in your blood. lh is formed by the pituitary gland, a small gland under the brain. lh plays an important role in the development and function of the sexes.
- With women, LH helps control the menstrual cycle. It also causes the release of testicles from the ovaries. This is known as ovulation. LH levels It rises rapidly before ovulation.
- In men, LH ensures that the body produces testosterone, which is essential for sperm production. Typical, LH levels They do not vary much in males.
- In children, LH levels It is usually low in childhood and begins to grow several years before puberty. In girls, LH helps to create estrogenic ovaries. In boys, it helps tell the egg cells that they must produce testosterone.
Too much or too little LH can cause all kinds of problems, including infertility (inability to conceive), menstrual problems in women, little or no sexuality in men, and early or delayed puberty or delay in boys.
Other names: root pin, stromal cell flexibility. hormone
What is it used for?
The LH test works in close coordination with another test hormone follicle – called stimulating hormone. hormone (FSH) to check sexual function. Therefore, FSH is often analyzed in conjunction with the LH test. These tests are used in different ways depending on whether you are a woman, man, or child.
In women, these tests are most often used.
- Help us find the cause of your infertility
- Discover when you ovulate, the moment when you are most likely to conceive.
- Find the cause of irregular or stopped menstruation.
- Identify the onset of perimenopause or menopause. Menopause is the moment in a woman’s life when her periods cease and she no longer has the opportunity to get serious menstrual periods. Typically, this occurs when a woman is over 50 years old. Perimenopause is the transitional stage before menopause. LH tests can be performed before the end of this transition, which can take several years.
In men, these tests are most used.
- Help us find the cause of your infertility
- Find the cause of low sperm cell count.
- Find the cause of low libido.
In boys, these tests are usually used to determine early or delayed puberty.
- Puberty is earlier in girls before age 9 and in boys and plays out at age 10.
- Puberty is delayed if it does not begin at age 14 with boys, at age 13 with girls.
Why is the LH test necessary?
If you are female, you may need this test if
- After 12 months, you have not succeeded in becoming heavy.
- Your period cycle is irregular.
- Your periods have stopped. You can use this test to recognize if you are in perimenopause, menopause, or menopause.
If you are male, you may need this test if
- After 12 months of intercourse, you could not get heavy from your partner.
- Your sexuality has decreased.
Both men and girls may need to be tested for signs of pituitary disorders. These include some of the signs listed above, but also include
- fatigue
- Weakness
- Weight loss
- Decreased appetite
If puberty does not occur at the correct age (too early or too late) your child may need an LH test.
What happens during LH levels test?
The doctor takes blood from a vein in the arm with the help of a small needle. After the needle is inserted, a small amount of blood is collected in a tube or vial. A small burning sensation is felt as the needle goes in and out. It usually does not take more than 5 minutes.
What do I have to do to prepare for the test?
If you are a woman who has not yet reached menopause, your doctor can schedule the test at a specific moment in your menstrual cycle.
Were there any risks associated with the test?
The risks of blood testing are very minimal. You can have slight pain and bruising in the area where the needle is inserted, but most signs disappear quickly.
What do the results mean?
The meaning of your results will depend on whether you are a woman, man, or child.
If you are a female, you will have a high LH levels may mean you:
- No ovulation. If you are in fertile times, it may mean that you have problems with your ovaries. If you are older, it may mean that menopause has begun or that you are in the menopausal phase.
- There is polycystic ovary syndrome (PCOS); PCOS is considered a common hormone disorder that occurs in women of fertile age. It is one of the leading causes of infertility in women.
- Turner syndrome is a genetic disorder that affects a woman’s sexual development. In many cases, it is a condition of infertility.
If you are a woman, you have a low LH levels may mean:
- pituitary gland does not function properly.
- You have an eating disorder.
- You have the wrong desk.
If you are a man, you have long LH levels may mean:
- Your testicles are damaged by chemotherapy, radiation, infection or alcohol abuse.
- You have Klinefelter’s syndrome, a genetic disorder that affects male sexual development. Often leads to infertility.
If you are a man, you can layer LH levels Diseases of the pituitary gland or hypothalamus, the part of the brain that controls the pituitary gland and other important bodily functions.
In children, high LH levels , along with high levels Follicles – stimulation hormone It means that puberty is about to begin or has already begun. If it happens before age 9 with girls or before age 10 (early puberty) with boys, it can be a symptom.
- Central Nervous System Disorders
- Brain trauma.
Low LH and follicle stimulation. hormone levels In boys, it can be a symptom of delayed puberty. Delayed puberty can be caused by
- ovarian or testicular failure.
- Turner syndrome in girls.
- Klinefelter’s syndrome in boys.
- Infection
- A hormone deficiency
- Eating behavior disorder
Talk to your own care provider if you have questions about you or your baby’s results.
Is there anything else I should know about the LH test?
There are household tests that measure LH levels by urine measurement. The kit is specifically designed to detect the increase in LH that occurs just prior to ovulation. This analysis helps you know when you ovulate and when you are most likely to become pregnant. However, there is no obligation to use this test to prevent pregnancy. It is not strictly for that purpose.
Supplied by MedlinePlus from the State Medical Library.
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