Health condition
Turner syndrome in adults
Turner syndrome (45,X and variants) requires structured lifelong care in adulthood - aortic surveillance, hormone replacement, cardiometabolic and hearing checks - best delivered through dedicated Turner clinics rather than fragmented follow-up.
Why trust this guide
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Editorial team
Written by our editorial team from the UK sources listed on each page.
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Sourced from guidance
Checked against current NHS and UK specialist society guidance at the time of review.
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Current for 2026
Reviewed on 2026-09-27 with the next review scheduled for 2027-09-27.
Key facts
The essentials at a glance.
Which gene and test confirm it, who should be tested in the family, and which specialist to see.
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Caused by complete or partial absence of one X chromosome; mosaic forms are common and often milder
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The most important adult risk is aortic dilatation and dissection - baseline cardiac MRI, then surveillance imaging at intervals set by aortic size, with extra vigilance around pregnancy
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Oestrogen replacement continues to around the natural age of menopause, protecting bones and cardiovascular health
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Regular checks: blood pressure, thyroid, coeliac screening, glucose and lipids, hearing, and bone density
Understanding the condition
What it is and what happens next.
What causes it, how it is confirmed, and the testing and specialist routes available in the UK.
What it is and how it presents
Girls with Turner syndrome graduate from intensive paediatric care into a gap: many adult services have no pathway, and women drift from follow-up precisely when the syndrome's adult risks - a bicuspid aortic valve, a dilating aorta, hypertension, hypothyroidism, hearing decline - accumulate quietly. The aorta deserves the most respect: dissection occurs at smaller absolute diameters than in the general population, which is why size-indexed MRI surveillance and meticulous blood pressure control anchor the adult protocol, and why pregnancy (including via egg donation) needs pre-assessment by a cardiologist.
Testing, surveillance and specialist care
The fix is organisational as much as medical: transfer into a dedicated adult Turner service - or an endocrinologist using the international consensus checklist - which restores the annual screen, keeps hormone replacement calibrated, and coordinates cardiology, audiology and fertility conversations in one place. Karyotype review is worthwhile in adulthood too, as mosaicism with Y material changes gonadal management. NHS clinical genetics services carry some of the longest waits in the health service, often many months for a first appointment, whereas private genetic testing and a specialist review can typically be arranged within around two weeks.
Seeing a specialist
Who to see, and how quickly you can be seen.
The specialist for this condition is usually a endocrinologist at a dedicated Turner syndrome clinic. Your GP can refer you on the NHS, or you can arrange a private consultation directly.
A quiet reminder
This guide is for information, not medical advice.
Your GP knows your history and can tell you which parts apply to you. If in doubt, see them - and seek urgent care for any emergency symptoms.
Frequently asked
Common questions about Turner syndrome in adults.
Quick, plain-English answers to what people ask us most.
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What is Turner syndrome in adults?
Turner syndrome is a genetic condition affecting females who are missing all or part of one X chromosome, and in adulthood involves ongoing management of associated health issues such as heart, bone, and hormonal health.
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What causes Turner syndrome?
It results from a missing or partially missing X chromosome, occurring randomly during formation of the egg or sperm, or very early in embryonic development; it isn't caused by anything the parents did.
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What health issues affect adults with Turner syndrome?
Common issues include short stature, ovarian insufficiency affecting fertility and requiring hormone therapy, an increased risk of heart and aortic problems, hearing loss, and a higher risk of osteoporosis and certain autoimmune conditions.
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Is Turner syndrome dangerous?
With regular specialist monitoring, most health risks associated with Turner syndrome can be well managed; the most serious concern is aortic complications, which is why regular heart imaging surveillance is recommended.
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Is Turner syndrome hereditary?
It usually occurs as a new, random chromosomal event rather than being inherited from a parent, and the risk of it recurring in future pregnancies is not significantly increased.
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Can Turner syndrome be treated?
There's no cure for the underlying chromosomal difference, but hormone replacement therapy (oestrogen and sometimes growth hormone in younger patients) and treatment of specific associated conditions can significantly improve health and quality of life.
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How is Turner syndrome managed in adults?
Management includes hormone replacement therapy for those with ovarian insufficiency, regular cardiac imaging to monitor the aorta, bone density monitoring, hearing checks, and support with fertility if desired, typically through a specialist multidisciplinary clinic.
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Can women with Turner syndrome have children?
Most women with Turner syndrome have reduced or absent natural fertility due to ovarian insufficiency, but options such as egg donation with IVF can allow many to carry a pregnancy, with careful cardiac assessment beforehand given pregnancy-related heart risks.
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How often should adults with Turner syndrome have specialist follow-up?
Regular follow-up, often annually, with monitoring of heart, bone, hormonal and metabolic health is recommended throughout life, ideally coordinated by a specialist familiar with Turner syndrome.
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When should I see a specialist, and how quickly can I be seen privately?
Ongoing specialist endocrinology or genetics follow-up is recommended for all adults with Turner syndrome. NHS specialist clinics can have long waits; private endocrinologists can often see you within about two weeks.