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PubMed This is a summary of 23 peer-reviewed journal articles Updated
Endocrinology · Classic congenital adrenal hyperplasia

Living Well with CAH: Long-Term Health and Monitoring

At a Glance

Adults with classic CAH require consistent, lifelong monitoring to manage the condition and the effects of long-term steroid use. Essential surveillance includes hormone blood tests every 6-12 months, routine bone density scans, cardiometabolic checks, and annual screening for TARTs in males.

As your child grows and transitions into adulthood with classic CAH, the focus of their care will shift from promoting healthy growth to ensuring long-term survivorship and wellness. Eventually, they will become the leader of their own care team. Understanding the long-term effects of both the condition and its lifelong treatment is key to helping them stay healthy for decades to come [1][2].

Living with a chronic, life-threatening condition carries an undeniable psychological and emotional burden. The anxiety of preventing adrenal crises, managing daily medications, and dealing with body image or fertility concerns is entirely normal. Encouraging open dialogue and seeking mental health support can make this clinical journey feel much more human and manageable.

Monitoring Male Reproductive Health: TARTs

For males with classic CAH, a specific type of benign (non-cancerous) growth called a Testicular Adrenal Rest Tumor (TART) can develop [3][4].

  • What They Are: These are small clusters of adrenal-like cells that have been in the testes since birth. If ACTH levels remain high over time, these cells can grow into small nodules [3][5].
  • The Risk: While not cancerous, TARTs can press on the tubes that carry sperm, leading to decreased sperm count or infertility [6][7].
  • Surveillance: Teen and adult males should receive an annual testicular ultrasound to screen for these tumors [8][9]. Often, optimizing hormone medication to lower ACTH can cause TARTs to shrink [6][10].

Fertility and Family Planning

Many people with classic CAH can and do have children of their own [11][12]. However, both males and females may face unique challenges in adulthood.

  • Females: High levels of adrenal hormones can sometimes interfere with regular ovulation. Doctors may monitor progesterone levels during the first half of the menstrual cycle to ensure the environment is optimal for pregnancy [13][14].
  • Males: In addition to TARTs, high adrenal androgens can sometimes signal the brain to lower the body’s natural production of testosterone. Maintaining good hormonal control is the best way to support fertility [7][15].

Protecting Heart and Bone Health

Because the treatment for CAH involves lifelong steroids (glucocorticoids), patients must be proactive about their “metabolic” and “skeletal” health [16][2].

  • Cardiometabolic Health: Long-term steroid use can increase the risk of obesity, high blood pressure, and metabolic syndrome [2][17]. Regular monitoring of weight, blood pressure, and cholesterol is essential [18][16].
  • Bone Health: High doses of steroids can lead to osteopenia or osteoporosis (thinning of the bones) [19][20]. Doctors use a DXA scan to measure bone mineral density and ensure bones stay strong [18].

The Adult Surveillance Schedule

Consistency is the foundation of long-term health. Most adults with classic CAH should expect the following routine [16][2]:

  • Every 6–12 Months: Blood tests (17-OHP, androstenedione, and electrolytes) to check hormone balance [21][22].
  • Annually: Physical exam, blood pressure check, and (for males) a testicular ultrasound [8][16].
  • Every 2–5 Years: A DXA scan to monitor bone density [18].

Taking charge of their health as a young adult means staying informed, attending follow-up appointments, and always carrying emergency medical identification [23]. Your medical team is there to help your child step confidently into a full, healthy, and independent adult life.

Common questions in this guide

How does classic CAH affect male fertility?
High adrenal hormones can cause the body to lower natural testosterone production. Additionally, males with classic CAH can develop benign growths called Testicular Adrenal Rest Tumors (TARTs) that may decrease sperm count, making regular monitoring essential.
What are Testicular Adrenal Rest Tumors (TARTs)?
TARTs are benign clusters of adrenal-like cells found in the testes that can grow if ACTH hormone levels remain high. Teen and adult males should receive an annual testicular ultrasound to screen for them, as they can impact fertility if left untreated.
How does long-term CAH treatment impact bone and heart health?
Lifelong steroid treatment for CAH increases the risk of metabolic issues like obesity and high blood pressure, as well as bone thinning, known as osteoporosis. Routine monitoring through DXA scans, blood pressure checks, and cholesterol tests helps protect long-term health.
Can females with classic CAH have children?
Yes, many women with classic CAH successfully have children. Doctors carefully monitor progesterone levels during the menstrual cycle to ensure ovulation occurs and to create an optimal environment for a healthy pregnancy.
What routine medical tests do adults with classic CAH need?
Adults with CAH need blood tests every 6 to 12 months to check hormone balance and electrolytes. They also require an annual physical exam with blood pressure checks, bone density (DXA) scans every two to five years, and annual testicular ultrasounds for males.

Questions to Ask Your Doctor

Curated prompts to bring to your next appointment.

  1. 1.As my child approaches adulthood, what should their target hormone levels (17-OHP and androstenedione) be, and do they differ from childhood goals?
  2. 2.For males: How often should my son have a testicular ultrasound to screen for TARTs, and what should we do if one is found?
  3. 3.For females: How does CAH affect regular ovulation, and when should my daughter start discussing family planning with her care team?
  4. 4.How often will you check my teen's bone density (DXA scan) and cardiovascular health (cholesterol and blood pressure) as they transition to adult care?
  5. 5.Are there long-term ways to reduce their daily steroid dose, such as using Crinecerfont, to help lower future metabolic risks?

Questions For You

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References

References (23)
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    Caring for Patients With Congenital Adrenal Hyperplasia Throughout the Lifespan.

    Zwayne N, Chawla R, van Leeuwen K

    Obstetrics and gynecology 2023; (142(2)):257-268 doi:10.1097/AOG.0000000000005263.

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    Cardiometabolic Aspects of Congenital Adrenal Hyperplasia.

    Krysiak R, Claahsen-van der Grinten HL, Reisch N, et al.

    Endocrine reviews 2025; (46(1)):80-148 doi:10.1210/endrev/bnae026.

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    Testicular Adrenal Rest Tumors: Current Insights on Prevalence, Characteristics, Origin, and Treatment.

    Engels M, Span PN, van Herwaarden AE, et al.

    Endocrine reviews 2019; (40(4)):973-987 doi:10.1210/er.2018-00258.

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    Testicular Adrenal Rest Tumors in a Patient With Congenital Adrenal Hyperplasia.

    Yu SY, Freed KM

    Cureus 2022; (14(8)):e28350 doi:10.7759/cureus.28350.

    PMID: 36168332
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    Classical congenital adrenal hyperplasia due to 21-hydroxylase deficiency (21-OHD) in adult males: Clinical presentation, hormone function and the detection of adrenal and testicular adrenal rest tumors (TARTs).

    San Martín P, Eugenio Russmann ML, Mendeluk G, et al.

    Endocrinologia, diabetes y nutricion 2021; (68(4)):227-235 doi:10.1016/j.endinu.2020.07.006.

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    Restoration of reproductive capacity in a male patient with congenital adrenal hyperplasia and bilateral testicular adrenal rest tumors (TARTs) after six months of glucocorticoid intensification: A case report.

    Ahmad J, Ahmad A, Hadid L

    Medicine 2023; (102(49)):e36061 doi:10.1097/MD.0000000000036061.

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    Experience in optimizing fertility outcomes in men with congenital adrenal hyperplasia due to 21 hydroxylase deficiency.

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    Testicular adrenal rest tumors in children with congenital adrenal hyperplasia.

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    Bilateral testicular masses and adrenal insufficiency: is congenital adrenal hyperplasia the only possible diagnosis? First two cases of TARTS described in Addison-only X-linked adrenoleukodystrophy and a brief review of literature.

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    Case Report:clinical experience of bilateral giant pediatric Testicular adrenal rest tumors with 3 Beta-Hydroxysteroid Dehydrogenase-2 family history.

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    Pregnancy management of IVF-ET pregnancies in a patient with classical 21-hydroxylase deficiency: A case report and review of the literature.

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    European journal of obstetrics, gynecology, and reproductive biology 2024; (293()):50-56 doi:10.1016/j.ejogrb.2023.12.008.

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    Women With Congenital Adrenal Hyperplasia Have Favorable Pregnancy Outcomes but Prolonged Time to Conceive.

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    High-Dose Hormone Replacement Therapy Improved Embryo Transfer Outcomes in a Woman With 21-Hydroxylase Deficiency Who Had Persistently High Serum Progesterone Levels: A Case Report and Literature Review.

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This page provides general long-term health and monitoring guidelines for classic CAH. Always consult your endocrinologist to determine the appropriate surveillance schedule and treatment adjustments for your specific needs.

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