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Prader Willi Syndrome (karyotype and FISH)


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Special Instructions
Contact Medichecks prior to ordering this test online. Doctor or Consultant referral required.

Prader Willi Syndrome (karyotype and FISH)

About this test

Prader-Willi syndrome, PWS, is a rare genetic disorder with symptoms that include learning difficulties, obesity and behavioural problems.

Prader-Willi syndrome causes poor muscle tone, low levels of sex hormones and a constant feeling of hunger.

The part of the brain that controls feelings of fullness or hunger does not work properly in people with Prader-Willi syndrome. They overeat, leading to obesity.

Babies with Prader-Willi syndrome are usually floppy, with poor muscle tone, and have trouble sucking. Boys may have undescended testicles.

Other symptoms of Prader-Willi syndrome include:

  • Short stature

  • Poor motor skills

  • Weight gain

  • Underdeveloped sex organs

  • Mild mental retardation and learning disabilities

How it works

Collect Sample

We send you an easy-to-use kit to collect your blood sample.

Post Sample

Post your sample to our lab in the prepaid envelope provided.

View Results

View results securely in your own personal dashboard.

Important Information

Our tests are not a substitute for seeing your doctor, especially if you are suffering symptoms. Our doctors will interpret your results based on the information you have provided, but will not diagnose, consult or provide any treatment. You will be advised to see your doctor for any necessary follow-up action.

Blood sample collection kit

We will send you your Prader Willi Syndrome (karyotype and FISH) blood test sample collection kit together with the details of a convenient clinic where you can go and have your sample taken.

Postage & packaging

Your Prader Willi Syndrome (karyotype and FISH) test includes 1st class postage and packaging for you to send your blood sample directly to our laboratory for analysis. If you live in an area where you cannot rely on the post or you simply want to ensure that your sample arrives at the laboratory the following day, you may wish to send your blood sample guaranteed next day delivery for extra reassurance.

Private laboratory analysis

Your blood sample will be analysed at one of our chosen laboratories. You can be assured of fast, accurate results from one of our accredited independent providers of clinical diagnostic tests.

Interpretation of results

Our medical team will comment on out-of-range blood test results and give you follow-up advice where necessary. If you need it, a PDF copy of your Prader Willi Syndrome (karyotype and FISH) test results can be downloaded for your doctor.

Secure online account with

Once you have placed your order you will receive login details to where you can manage your account, track your orders and view your Prader Willi Syndrome (karyotype and FISH) test results.

Health and Lifestyle tracker

Stay motivated by filling in your online health and lifestyle questionnaire and seeing how improvements in your lifestyle can influence your test results. Your medical and family history gives us vital information when interpreting your results.

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