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    Karyotype Test: Your Key to Identifying Genetic Diseases & Fertility Issues

    Getting Pregnant

    Karyotype Test: Your Key to Identifying Genetic Diseases & Fertility Issues

    Updated on 31 May 2023

    Medically Reviewed by

    Dr. Shruti Tanwar

    C-section & gynae problems - MBBS| MS (OBS & Gynae)

    View Profile

    For couples wishing to embrace parenthood, the road to pregnancy might not always be smooth and straight. A few bumps along the road may send them knocking on a doctor’s door, opening before them a whole new world of problems, their diagnostic tests and treatments. One such test that a doctor may recommend to couples trying to conceive is the Karyotype Test.

    In this article, we'll explore what genetic karyotyping is, who should consider it, the applications of Karyotyping and the common genetic diseases detected by Karyotype Blood Test. We will also understand how Karyotype Testing can help diagnose fertility issues, the karyotype testing process and its benefits and limitations.

    What is a Karyotype Test?

    A Karyotype Test is a laboratory test that examines an individual's chromosomes. Chromosomes are the structures in our cells that carry our genetic information. A Karyotype Test is performed by taking a blood sample from the individual and analyzing the chromosomes under a microscope. The test can help identify any abnormalities or mutations in the chromosomes that may be associated with genetic diseases or fertility issues.

    Who Should Consider Couple Karyotyping Test?

    Couples who are planning to start a family should consider getting a Couple Karyotyping Test. This test is performed on both partners and can help identify any potential genetic risks before pregnancy. It can also help identify any potential fertility issues that may be associated with chromosomal abnormalities.

    Your gynecologist will recommend genetic karyotyping if:

    • You are getting unsuccessful results after trying to conceive for more than one year.
    • You have had bad experiences of miscarriages and failed pregnancies continuously two or more times.
    • You have had a bitter experience of a stillborn birth.
    • Your husband might suffer from azoospermia (no sperm in his semen) or oligozoospermia (low sperm count).
    • If the woman is diagnosed with POD (Primary ovarian dysfunction)

    What are the Applications of Karyotyping?

    Karyotyping has a wide range of applications in medicine and genetics. The test is commonly used to identify genetic disorders, such as Down Syndrome, Turner Syndrome, and Klinefelter Syndrome. It can also help diagnose fertility issues, such as recurrent miscarriages, unexplained infertility, and repeated IVF failures. Karyotyping can also be used to identify carriers of genetic diseases and to assist with genetic counseling.

    Common Genetic Diseases Detected by Karyotype Blood Test

    The Karyotype Blood Test can help identify a wide range of genetic diseases and chromosomal abnormalities. Some of the most common genetic diseases detected by Karyotype Blood Test include:

    1. Down Syndrome

    Down Syndrome is a genetic disorder that is caused by an extra copy of chromosome 21.

    2. Turner Syndrome

    Turner Syndrome is a genetic disorder that affects females and is caused by a missing or incomplete X chromosome.

    3. Klinefelter Syndrome

    Klinefelter Syndrome is a genetic disorder that affects males and is caused by an extra X chromosome.

    4. Edwards Syndrome

    Edwards Syndrome is a genetic disorder that is caused by an extra copy of chromosome 18.

    How Karyotype Testing Can Help Diagnose Fertility Issues?

    Karyotype Testing can help diagnose a wide range of fertility issues, including recurrent miscarriages, unexplained infertility, and repeated IVF failures. These issues may be caused by chromosomal abnormalities, such as translocations, deletions, and duplications. Karyotyping can help identify these abnormalities and provide valuable information for fertility treatments, such as IVF.

    Understanding Chromosomal Abnormalities and Their Impact on Fertility

    Chromosomal abnormalities can have a significant impact on fertility. Abnormalities such as translocations, deletions, and duplications can affect the number or structure of chromosomes and lead to fertility issues. For example, a translocation between chromosomes 14 and 21 can lead to Down Syndrome, while a deletion on chromosome 5 can lead to Cri-du-chat Syndrome. These abnormalities can also cause recurrent miscarriages, unexplained infertility, and repeated IVF failures.

    The Karyotype Testing Process: What to Expect

    If your doctor has recommended you opt for assisted reproductive technology and infertility treatment, they will advise you first to undergo genetic karyotyping. The couple has to give their blood samples in a pathology laboratory, and they do the rest. The lab technicians separate some cells from the couple’s blood samples, place them in a jar, and encourage them to grow.

    The technicians have to wait until the cells reach a specific stage of growth; then, they are stained and studied under a microscope to evaluate the shape and size of the cells. Special photographs are taken to view the arrangement of chromosomes in the cell and to count the number of chromosomes present in the cells.

    The process typically takes a few days to complete, and the results are usually available within a week. The test is painless, and there is no need for any special preparation. Patients can continue their normal activities before and after the test.

    You may also like: Fertility Test for Men and Women: What to Expect and Next Steps

    Benefits and Limitations of Karyotype Testing

    The benefits of Karyotype Testing include identifying potential genetic risks before pregnancy, diagnosing genetic disorders, and assisting with fertility treatments. The test is non-invasive, painless, and has a relatively low cost.

    However, there are also some limitations of Karyotype Testing. The test cannot diagnose all genetic disorders, and it may not detect all chromosomal abnormalities. Additionally, the test may not be covered by insurance, and the results may not be definitive.

    FAQs

    What is karyotype test for infertility?

    A Karyotype Test for infertility is a test that examines an individual's chromosomes to identify any abnormalities that may be associated with fertility issues. The test can help diagnose recurrent miscarriages, unexplained infertility, and repeated IVF failures.

    Why is karyotyping done for IVF?

    Karyotyping is done for IVF to identify any chromosomal abnormalities that may be associated with fertility issues. This information can help identify potential genetic risks before pregnancy and assist with fertility treatments.

    The Bottomline

    Going for a Karyotype Test may not be the easiest thing for a couple struggling to conceive. But on a brighter side, genetic karyotyping can give them answers to the questions they have been wondering all along. No matter what the results of the couple karyotyping test is, you should not get disheartened and explore the options available for your family.

    References

    1. Ozkan E, Lacerda MP. (2022). Genetics, Cytogenetic Testing And Conventional Karyotype. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing

    2. Pelzman DL, Hwang K. (2021). Genetic testing for men with infertility: techniques and indications. Transl Androl Urol.

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    Medically Reviewed by

    Dr. Shruti Tanwar

    C-section & gynae problems - MBBS| MS (OBS & Gynae)

    View Profile

    Written by

    Ravish Goyal

    Official account of Mylo Editor

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