15200 Turner Syndrome

Overview

Turner syndrome is a genetic condition that affects girls and women. It happens when one of the two X chromosomes is missing or incomplete. This can lead to short height, problems with the ovaries (which produce eggs and hormones), and other health issues. The condition varies a lot from person to person.

No, Turner syndrome is rare. It affects about 1 in 2,500 girls born worldwide.

Turner syndrome affects only females. It is usually found in childhood or during the teenage years when a girl is shorter than expected or does not start puberty normally.

Symptoms

Common symptoms

• Short stature compared to family members
• Absent or delayed puberty
• Infertility (unable to get pregnant naturally)
• A webbed neck (extra folds of skin on the sides of the neck)
• Swelling of the hands and feet at birth
• A broad chest with nipples spaced wider apart
• Low-set ears or a low hairline at the back of the neck

Symptoms in children

• Slow growth and short height during childhood
• Frequent middle ear infections
• Dental problems, such as crowded teeth
• Learning difficulties, especially with math and spatial awareness
• Dry eyes or vision problems

Symptoms in older adults

• Hearing loss
• High blood pressure
• Weakening of the bones (osteoporosis)
• Increased risk of diabetes and thyroid problems
• Vision issues like cataracts or glaucoma

Causes

Main causes

• Turner syndrome is caused by a missing or incomplete X chromosome in a female's cells. This happens randomly when the egg or sperm is formed, or in early fetal development. It is not caused by anything a parent did.

Risk factors

• There are no known risk factors. It is a random event that can happen to any family.

When to see a doctor

See a doctor urgently if:

• If a girl is significantly shorter than her peers or shows no signs of puberty by age 13, see a doctor soon.
• If there is a sudden new symptom like chest pain, fainting, or severe headache, seek urgent care.

Book a routine appointment if:

• If you have concerns about your child's growth or development, schedule a regular check-up.
• If a woman has difficulties with pregnancy or very irregular periods, it is good to speak with a gynecologist.
• Anyone with Turner syndrome should have regular follow-ups with a specialist for heart, kidney, ear, and bone health.

Diagnosis

Turner syndrome is usually diagnosed with a blood test called a karyotype. This test looks at the chromosomes inside the cells. It can show if one X chromosome is missing or changed. Sometimes the condition is found during pregnancy through ultrasound or prenatal blood tests.

Tests that may be done

• Karyotype test (blood or other tissue sample) to examine chromosomes
• Heart ultrasound (echocardiogram) to check for heart abnormalities
• Kidney ultrasound to check the kidneys
• Hearing and vision tests
• Blood tests to check hormone levels, especially follicle-stimulating hormone (FSH) and luteinizing hormone (LH)

What to expect at your appointment

If a doctor suspects Turner syndrome, they will first talk with you about your or your child's symptoms and family history. Then they will order a karyotype test. The results usually come back in about 1 to 2 weeks. After diagnosis, you will be referred to a specialist team that may include a pediatric endocrine specialist (hormone doctor), cardiologist (heart doctor), and others. The condition is lifelong, but regular check-ups help manage any issues that come up.

Treatment

There is no cure for Turner syndrome, but many of the symptoms and health risks can be treated. Treatments focus on helping with growth, puberty, fertility, and preventing complications like heart or bone problems.

Self-care at home

• Attend regular medical check-ups and follow up with specialists as recommended.
• Check blood pressure regularly, as high blood pressure is common.
• Protect your ears from loud noise and have hearing checked regularly.
• Do weight-bearing exercise (like walking or jogging) to help keep bones strong.
• Eat a healthy diet with enough calcium and vitamin D.

Medical treatments

Doctors may recommend growth hormone therapy to help increase adult height. Hormone replacement therapy (HRT) can help start puberty and protect the bones. These treatments are started and supervised by a specialist. Fertility treatments, such as using donor eggs, may be an option for some women, but this should be discussed with a fertility specialist.

When is surgery considered?

Some people with Turner syndrome have heart problems (like coarctation of the aorta) or kidney issues that need surgery. But not everyone needs surgery. Your doctor will let you know if surgery is recommended for your specific situation.

Living with this condition

Living with Turner syndrome means going to regular check-ups and staying on top of any health issues. Most girls and women live normally and can study, work, and enjoy relationships. It helps to keep track of symptoms and talk openly with your healthcare team.

Lifestyle tips

• Keep a record of your blood pressure at home if your doctor advises it.
• Wear hearing protection in loud environments and get hearing tests.
• Avoid smoking and keep a healthy weight to protect your heart.
• Stay physically active to support your bones and overall health.

Diet and exercise

Eating a balanced diet with plenty of fruits, vegetables, whole grains, and lean protein is important. Foods high in calcium (like dairy, leafy greens, and fortified products) and vitamin D (like fatty fish and fortified milk) help keep bones strong. Aim for about 150 minutes of moderate exercise each week, like brisk walking, swimming, or cycling. Your doctor can advise if any exercises are not right for you.

Mental health and emotional wellbeing

Turner syndrome can bring emotional challenges, especially feeling different from peers or dealing with infertility. It's normal to feel sad, frustrated, or anxious at times. Talking to a counselor or support group can help. Friends, family, and mental health professionals can provide valuable support.

Prevention

No, Turner syndrome cannot be prevented. It is a random genetic event that happens at or before conception. There are no lifestyle changes, foods, or medicines that can stop it from happening.

Vaccines

There are no vaccines related to Turner syndrome. But it is important for all girls and women to have their routine vaccines, as common infections can be more serious for people with certain heart or immune issues. Ask your doctor about which vaccines you need.

Screening programmes

Prenatal screening tests can detect signs of Turner syndrome during pregnancy, but these tests are optional and not part of routine care for every pregnancy. After birth, if a child shows signs like short height or swelling of the hands and feet, a doctor can order a chromosome test to confirm the diagnosis.

Complications

If left untreated

• Short adult height significantly lower than expected
• No breast development or menstruation (infertility)
• Weakened bones (osteoporosis) at a younger age
• High blood pressure and increased risk of aortic tearing (aortic dissection)
• Kidney abnormalities that can lead to infections or poor kidney function
• Ear infections and hearing loss

Long-term outlook

With regular medical care, most women with Turner syndrome live long, full, and productive lives. Early diagnosis helps prevent many complications. While infertility is common, assisted reproduction options exist. There is a good chance of enjoying school, career, and relationships. Medical research continues to improve treatment for this condition.

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