Price: £595
Turnaround: 3 – 4 Weeks 
Appointment: 15 Minutes
General Health
What to Expect from a Private GP Consultation
More and more people are obtaining private doctor appointments. One reason is the reduced availability of NHS doctor appointments, but
March 18, 2025
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A 46XX Karyotype blood test screens for chromosomal abnormalities to give you helpful information about your genetic makeup. It can also help spot any potential chromosomal issues or disorders like Turner Syndrome early on.
Karyotyping involves taking a sample of your cells and examining the number, size, and shape of your chromosomes under a microscope. The term “46XX” refers to the typical chromosomal pattern in females, consisting of 46 chromosomes (23 pairs).
This test can help identify conditions like Turner syndrome, Klinefelter syndrome, and other chromosomal abnormalities that may affect health, development, and sometimes lead to infertility or recurrent miscarriages.
Turner Syndrome happens when one of your X chromosomes is missing or only partly there. This usually leads to various growth and development issues. Triple X Syndrome occurs when there is an extra X chromosome. This extra chromosome can cause learning difficulties and slower development. Mosaicism is when some cells have normal chromosomes, but others have abnormalities, leading to a variety of symptoms. That is why it is so important to get tested if you have a family history of genetic disorders.
Common signs include
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You will be seen by one of our friendly phlebotomists or trained clinicians.
The test involves taking a blood sample, which will be analysed for chromosomal analysis. No special preparation is required, though your healthcare provider may ask for your medical history or family history of genetic conditions.
One of our trained healthcare professionals will draw a blood sample from your arm. The procedure is quick and relatively painless. The sample will be sent to a laboratory where it will undergo a detailed analysis of your chromosomes.
Your results will be available within a few days to a week. Your healthcare provider will discuss the results with you in a follow-up appointment. Depending on your results, your healthcare provider may recommend further genetic testing, counseling, or referrals to a genetic specialist.
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We offer a wide range of private blood tests in London. Same-day appointments are available 5 days a week.
We work with experienced consultants & healthcare professionals who have received positive feedback from our patients, and with whom we have established long-term relationships.
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Please note that Walk-in Clinic is a private medical centre & not an NHS service. Harley Walk-in Clinic Ltd company registration no. 07472804
