LH as a marker for pituitary function and fertility.
Blood collection at collection point
After your order you receive instructions by email
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Blood collection at 1,000+ locations across the Netherlands
Luteinizing hormone (LH) is a hormone produced by the anterior pituitary gland. It plays a crucial role in regulating the reproductive organs: in women, it stimulates ovulation, and in men, it stimulates the production of testosterone.
Testing LH is useful for assessing fertility issues in both men and women. It can help in diagnosing conditions such as polycystic ovary syndrome (PCOS) in women and reduced sperm quality or production in men. It can also provide insight into menopause or specific disorders of the pituitary gland.
LH levels provide insight into the function of the gonads and the pituitary gland. In women, LH levels can fluctuate throughout the menstrual cycle, with a peak around ovulation. In men, the levels are relatively constant, but low or high levels may indicate problems with the testicles or pituitary gland.
In women, a high LH level may indicate PCOS or approaching menopause. In men, a high level may suggest a testicular disorder affecting testosterone production.
Low LH levels may indicate a problem with the pituitary gland or hypothalamus, which can affect fertility. In women, this can cause ovulation problems, and in men, reduced testosterone production and sperm quality.
Answers to what people usually want to know.
After ordering we generate a referral letter and email you the instructions. You pick a collection point yourself and book an appointment there. Blood is drawn at the location, processed at the lab, and your result arrives digitally.
Often within a few working days. How soon you can be seen depends on how busy the location is and the type of analysis. For specialist analyses we first ship collection materials, which takes a bit longer.
At most collection points yes. Some accept walk-ins. This is clearly indicated per location. You choose the location that works best for you.
That depends on the test. Whether fasting is required, and from what time, is clearly stated in the instructions you receive after ordering. No surprises at the counter.
It varies per analysis: from same-day to a few working days. Standard values often come back quickly; analyses that go to an external lab can take a bit longer. You get an email with a link to your digital result, including a short explanation per value.
We work with 1,000+ collection points across the Netherlands. After ordering you'll see which locations near you are available and you pick where you'd like to go.
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This test is included in Dutch healthcare guidelines and is regularly used for its respective indications.
Rationale for this test
LH-bepaling is een standaard-diagnosticum in de Nederlandse reguliere geneeskunde voor het beoordelen van vruchtbaarheidsproblemen, hypofysefunctie en menstruatiecyclusstoornissen. De test wordt gebruikt in de diagnostiek van PCOS, ovulatieproblemen en mannelijke vruchtbaarheidsstoornissen, en is opgenomen in diverse Nederlandse zorgrichtlijnen voor endocrinologische en reproductieve aandoeningen.
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Dutch clinical guidelines and healthcare organisations
We recommend consulting these independent sources before ordering a preventive health check.
Brochure on preventive health checks: careful choice, reliability, pros and cons, checklist.
Independent information about preventive health checks from the National Institute for Public Health and the Environment.
Reliable patient information about illnesses and complaints from Dutch GPs (NHG).
Public-facing website of the Dutch Society for Clinical Chemistry with explanations of blood tests and laboratory values.