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FISH for Trisomy 18, X, Y

FISH for Trisomy 18, X, Y

The Fluorescence in situ Hybridization, commonly known as the FISH test, is an advanced genetic test designed to detect and map the genetic material in an individual's cells. This test is instrumental in identifying specific DNA traits, such as the presence of an extra chromosome, which is the marker of conditions like Trisomy 18, X, or Y.

Trisomy refers to a condition where an extra chromosome is found in some or all of a person's cells. Trisomy 18, also known as Edwards syndrome, is a severe genetic disorder caused by the presence of an extra 18th chromosome. Trisomy X and Trisomy Y are sex chromosome disorders caused by an extra X or Y chromosome, respectively.

The FISH test employs fluorescent probes that bind to parts of the chromosome which exhibit a high degree of sequence similarity. This enables specific regions of the genome to be visualized, which is helpful in detecting structural and numerical chromosomal abnormalities. Early detection is of paramount importance for conditions like Trisomy 18, X, and Y in managing potential health complications and crafting appropriate care plans.

  • Test NameFISH for Trisomy 18, X, Y
  • Sample TypeBlood
  • Preparations RequiredThere are no specific preparation steps required for this test.
  • Report Time5 days

Why is the FISH test crucial for diagnosing Trisomy 18, X, and Y?

The FISH test plays a pivotal role in diagnosing Trisomy 18, X, and Y as it enables early and accurate detection of these chromosomal abnormalities. Prompt diagnosis allows for appropriate management of the condition and preparation for potential health complications, thereby improving the quality of life for the individual and their family.

Is fasting necessary before this test?

No, fasting is not required before the FISH test. You can maintain your regular eating and drinking habits before undergoing this diagnostic procedure.

Home Sample Collection Process

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Book your convenient slot
Sample Collection by Phlebotomist
Sample Collection by Phlebotomist
Reporting of the sample at lab
Reporting of the sample at lab
Download Reports
Download Reports
Frequently Asked Questions

There are no particular preparations needed for this test. However, it's advised to inform your healthcare provider about any medications or supplements you are currently taking, as some substances might occasionally interfere with the test results.

The FISH test is usually recommended during pregnancy if the initial screening tests suggest a high risk of Trisomy 18, X, or Y. It may also be conducted after birth if the child displays symptoms consistent with these conditions.

The FISH test can determine if there is an extra copy of chromosome 18, X, or Y in the cells, thereby indicating Trisomy 18, X, or Y. It can also help identify other chromosomal anomalies.

The frequency of this test is typically determined by the individual's risk factors and the advice of their healthcare provider. If you're pregnant and at an elevated risk due to factors such as age, family history, or unusual initial screening results, your doctor may recommend this test.

Typically, individuals possess two copies of each chromosome. An extra copy of chromosome 18, X, or Y signifies Trisomy 18, X, or Y, respectively.

No specific precautions are required for the FISH test. However, following your healthcare provider's instructions before and after any medical procedure is vital to ensure accurate results and maintain overall health.

The outcomes of a FISH test are generally not influenced by external factors, as chromosomal abnormalities are genetic. However, technical aspects, such as the quality of the sample or errors during the lab process, might potentially affect the test results.

If the test results show an abnormality, it's vital to consult a medical geneticist or a genetic counselor. These professionals are skilled in guiding individuals and families about the implications of genetic disorders and can provide expert advice on potential treatments and management strategies.

In conclusion, the FISH test is an invaluable diagnostic tool for identifying chromosomal abnormalities such as Trisomy 18, X, and Y. Its accuracy and simplicity, coupled with the absence of specific preparation requirements, make it highly beneficial for those at risk. However, understanding these results should always be guided by healthcare professionals to ensure a comprehensive interpretation of the findings. Early detection can lead to more effective management strategies, significantly enhancing the quality of life for those affected by these conditions.

FISH for Trisomy 18, X, Y
₹ 7000
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Locations Near You in Hyderabad
  • 4KM from Madhapur
  • 3KM from Banjara Hills
  • 1.9KM from Yusufguda
  • 3KM from Madhura Nagar
  • 5KM from Shaikpet