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Published on: 2/23/2026
Turner syndrome is a genetic condition in girls caused by a missing or altered X chromosome that often appears as short stature, slowed growth, or delayed puberty; if height stays below the 5th percentile or there are no puberty signs by 13, ask about a karyotype test. Early, coordinated care can help, including growth hormone and estrogen therapy plus regular checks of the heart, kidneys, thyroid, autoimmune risks, and hearing, along with fertility counseling. There are several key details and next steps that may affect your choices, so see below for the full guidance.
If you're wondering whether your daughter is "falling behind," especially in growth or puberty, it's natural to feel concerned. One possible explanation doctors consider in girls with certain patterns of delayed growth or development is Turner syndrome.
Turner syndrome is a genetic condition that affects females and occurs when one of the two X chromosomes is missing or partially missing. It is not caused by anything a parent did or did not do. It happens randomly at conception.
Understanding the facts about Turner syndrome, recognizing the signs, and knowing the next medical steps can help you move forward with clarity and confidence.
Turner syndrome is a chromosomal condition affecting approximately 1 in 2,000 to 2,500 female births. In most females, there are two complete X chromosomes. In Turner syndrome, one X chromosome is missing or altered.
The effects vary widely. Some girls have very noticeable physical differences early in life. Others have subtle signs that aren't recognized until later childhood or even adolescence.
There is no cure for Turner syndrome, but with proper medical care, most girls and women can lead full, healthy lives.
Symptoms can differ from person to person. Some are present at birth; others appear later.
Short stature is one of the most consistent features of Turner syndrome. Many girls with the condition fall below the typical growth curve by early childhood.
If you're concerned about growth delays, it may help to track height over time and discuss patterns with your pediatrician.
It's important to define what "falling behind" means.
Children grow at different rates. Some are naturally petite. However, certain patterns raise concern:
If these signs are present, doctors may evaluate for underlying causes — and Turner syndrome is one of them.
Remember: early diagnosis matters. It allows doctors to begin treatments that can improve height, support puberty, and monitor for related health concerns.
Diagnosis typically involves a simple blood test called a karyotype, which analyzes chromosomes.
Doctors may order testing if a girl has:
Sometimes Turner syndrome is diagnosed before birth through prenatal testing. In other cases, it's not discovered until teenage years when menstruation doesn't begin.
If you notice several of these signs and want to understand whether they could be related, you can use a free AI-powered symptom checker for Turner Syndrome to help prepare informed questions for your child's doctor visit.
If Turner syndrome is confirmed, care usually involves a team of specialists. Early and consistent follow-up significantly improves long-term outcomes.
Most girls with Turner syndrome qualify for growth hormone treatment.
Growth hormone does not "cure" Turner syndrome, but it can help girls reach a more typical height range.
Because ovarian function is often reduced or absent:
Hormone therapy continues into adulthood.
Heart abnormalities are common in Turner syndrome.
Doctors may recommend:
Some heart conditions can be serious, so routine monitoring is critical.
Kidney differences occur in up to one-third of patients. Imaging tests help assess structure and function.
Girls with Turner syndrome have higher risk for:
Regular blood tests are often part of routine care.
Frequent ear infections and hearing issues are common. Early treatment helps prevent long-term problems.
Most women with Turner syndrome experience infertility due to ovarian insufficiency. However:
Pregnancy in women with Turner syndrome requires careful heart evaluation, as cardiovascular risks can increase.
This is an area where early counseling and long-term planning are helpful.
Most girls with Turner syndrome have normal intelligence. However, some may experience:
Early educational support can make a significant difference. Many girls thrive with the right accommodations.
Emotionally, it's important to acknowledge feelings about height, puberty differences, or fertility challenges. Mental health support can be incredibly beneficial.
With modern treatment and monitoring, life expectancy for most individuals with Turner syndrome is close to normal, though it may be slightly reduced due to cardiovascular risks.
The keys to a strong outcome include:
Girls with Turner syndrome can attend school, build careers, form relationships, and live fulfilling lives.
While there's no need to panic, certain symptoms require immediate medical attention:
These can be related to rare but serious heart or blood vessel complications. If any of these occur, seek emergency care.
For general concerns about growth, puberty, or development, schedule an appointment with a pediatrician or pediatric endocrinologist.
If you're worried she may be falling behind:
Clear communication with your healthcare provider is key.
Hearing the words "Turner syndrome" can feel overwhelming. But knowledge is power.
This condition is manageable with proper medical care. Early intervention improves growth, development, and long-term health outcomes. Many girls with Turner syndrome grow into confident, capable women.
If you suspect something isn't right, trust your instincts. At the same time, avoid jumping to conclusions without proper testing.
Before your doctor's appointment, it may be helpful to complete an online Turner Syndrome symptom assessment to organize your observations and concerns in a way that helps facilitate a more productive conversation with your healthcare provider.
Most importantly, speak to a qualified healthcare professional about any concerns — especially if symptoms could be serious or life-threatening. Prompt medical guidance ensures the safest path forward.
You're not alone in asking these questions — and there are clear, effective medical steps available if Turner syndrome is part of the answer.
(References)
* Bakalov VK, Bondy CA. Turner Syndrome: A Clinical Review. J Clin Endocrinol Metab. 2021 Dec 22;107(1):164-173.
* Gravholt CH, Viuff MH, Brun S, Stochholm K, Andersen NH. Turner syndrome: Diagnosis, health concerns, and management from infancy through adulthood. Nat Rev Endocrinol. 2017 Mar;13(3):152-167.
* Morgan T. Update on Turner syndrome: aetiology, comorbidities, and management. Arch Dis Child. 2022 Nov;107(11):1018-1025.
* Stochholm K, Jensen C, Gravholt CH, Landin-Wilhelmsen K, Hagen C. Neurocognitive Profile in Girls With Turner Syndrome: A Comprehensive Review. Horm Res Paediatr. 2021;94(1-2):5-15.
* Sybert VP, Silveira LJ, Ross JL. Cardiovascular Health in Turner Syndrome: A Review. J Pediatr. 2020 Jun;221:9-17.e1.
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