Low levels of FSH are consistent with pituitary or hypothalamic disorders and can be seen in the eating disorder anorexia nervosa and starvation.
In young children, high levels of FSH and LH and development of secondary sexual characteristics at an unusually young age are an indication of precocious early puberty. This is much more common in girls than in boys.
In delayed puberty, LH and FSH levels can be normal or below what is expected for a youth within this age range. FSH results can be increased with use of certain drugs, such as cimetidine, clomiphene, digitalis, and levodopa. FSH results can decrease with oral contraceptives the pill , phenothiazines, and hormone treatments. The basic test for infertility is measurement of progesterone to check that ovulation is occurring.
Other tests for infertility include FSH and LH and oestrogen to assess your reproductive hormone levels. A post-sexual intercourse test may be done where the cervical mucous is examined hours after intercourse to check if the sperm are surviving in it.
A hysterosalpingogram image of fallopian tubes may be done to see whether your fallopian tubes are blocked. Your partner may be asked to give a specimen of semen for analysis. With this condition, ovaries may become larger because of cysts that form in them. A combination of medications and hormone therapy may help your symptoms. Men also produce FSH and LH in their bodies, and these hormone levels are important for male reproduction too. In men, LH can be measured to investigate the cause of a low testosterone.
FSH Test. Send Us Your Feedback. Choose Topic At a Glance What is being tested? Formal Name. This article was last reviewed on 29 July This article was last modified on 29 July At a Glance.
Why Get Tested? When To Get Tested? Sample Required? A blood sample taken from a vein in your arm. Test Preparation Needed?
Looking for Test Results? Looking for Reference Ranges? What is being tested? How is the sample collected for testing? For a woman who is having problems with her menstrual cycle or who cannot become pregnant, more than one blood sample may be needed to help identify a follicle-stimulating hormone FSH problem. A sample may be taken each day for several days in a row.
Follow-up care is a key part of your treatment and safety. Be sure to make and go to all appointments, and call your doctor or nurse call line if you are having problems. It's also a good idea to keep a list of the medicines you take. Ask your doctor when you can expect to have your test results. Author: Healthwise Staff. Care instructions adapted under license by your healthcare professional.
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Please turn on JavaScript and try again. Instances when this occurs include when someone is receiving hormone replacement therapy for testosterone or estrogen. The FSH blood test is useful in making a diagnosis of premature ovarian failure. Premature ovarian failure POF is when the ovaries stop functioning before a woman reaches the age of 40, leading to infertility. In addition to high FSH levels, women with premature ovarian failure also tend to have very low estrogen levels.
The diagnosis of premature ovarian failure is typically made by checking two follicle-stimulating hormone blood levels 30 days apart.
Getting an FSH test at a lab near you is relatively straightforward. Since most lab locations have the standard equipment utilized to perform the FSH blood test, all you typically need to do is select the closest lab location.
On the day of your appointment, a small amount blood will be drawn from your veins and the sample will be processed. Some people wonder whether the FSH test is fasting or not. Because FSH levels are related to fertility cycles and not to diet, fasting is not necessary prior to getting this blood test. When should you take an FSH test? For women, in most cases, it is recommended that the FSH test is performed on day 3 of the cycle.
For a more detailed fertility lab test evaluation, check out the fertility test panel. Why is an FSH blood test important?
The follicle stimulating hormone test helps evaluate ovulation and overall fertility. What type of specimen will I submit?
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