Normally, people have 46 chromosomes, divided into 23 pairs, in each cell. Chromosomes are the parts of your genes, passed down from your parents. Karyotype tests are done to check the number, size, and shape of the chromosomes. It checks whether there are fewer or more chromosomes than the normal 46, or if the size or shape of the chromosomes is irregular or unusual. Karyotyping is immensely helpful in finding out any genetic disorders in a developing fetus.
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During pregnancy, your doctor will advise you to do several prenatal screening tests to ensure that there are no chromosomal disorders or underlying genetic conditions in your baby, one such test is karyotyping, which helps in diagnosing such issues. The test is offered during the first and second trimesters of pregnancy.
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Karyotyping test is done to check if your baby has signs of any genetic disorders, like:
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If you are pregnant and have certain risk factors like age (35 years or older) or have a family history of a genetic disorder, a Karyotyping test might be recommended by your doctor.
If you are having trouble getting pregnant or facing the unfortunate circumstance of miscarriages, Karyotyping test can help to find out whether a chromosomal defect is causing your miscarriages. It also helps doctors to determine if a chromosomal abnormality is preventing you from getting pregnant or causing infertility.
Once the definitive causes are detected through a Karyotyping test, a much more effective diagnostic procedure or future course of action will be advised by your doctor.
Karyotype tests during pregnancy help in taking a close look at the chromosomes to determine if there is anything unusual. Most women don’t need any further tests or procedures as they get results that are within the normal range. However, if there are indications of any problems or defects, your doctor will advise for follow-up tests, and karyotype testing can help get you the right treatment, at the right time.
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