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Living with Pituitary hormone deficiency, combined, 2

A rare genetic condition in which the pituitary gland makes low levels of several hormones, affecting growth and puberty.

Understanding Pituitary hormone deficiency, combined, 2

Pituitary hormone deficiency, combined, 2 (CPHD2) is a rare genetic condition in which the pituitary gland makes too little of several hormones.

People have low growth hormone, thyroid-stimulating hormone, LH, FSH and prolactin, and sometimes low ACTH. Unlike other forms, newborns usually show no signs at birth. Thyroid problems may appear soon after birth. Growth hormone lack can lead to short stature, and LH and FSH lack can disrupt puberty and fertility.

Signs & symptoms

Symptoms vary from person to person. GARD lists these among the most common:

  • Short stature
  • Underactive thyroid (hypothyroidism)
  • Low growth hormone and prolactin levels
  • Delayed or disrupted puberty (hypogonadism)
  • Low adrenal hormone (adrenal insufficiency)
  • Seizures

Not everyone has every symptom. GARD's list comes from the Human Phenotype Ontology.

Diagnosis

  1. Talk with your doctor

    Share the symptoms you've noticed, when they started and your family health history. Notes and photos can help.

  2. See a specialist

    Your doctor may refer you to a specialist who knows rare conditions.

  3. Ask which tests can help

    Your care team will decide which exams and tests can confirm the diagnosis.

Care & treatment

Care team
A doctor familiar with rare conditions, plus specialists as needed
Expert care
Ask about multidisciplinary care centers for rare conditions
Treatment
GARD doesn't list specific treatments for this condition. Your care team will tailor care to your symptoms.
Research
Clinical trials and observational studies may be options. See the research section below.

General information, not medical advice. Your care team makes the decisions.

Everyday life

Living with a rare condition is easier with support.

  • Connect with The MAGIC Foundation
  • Keep notes on symptoms, changes and questions for appointments
  • Ask about patient registries that help research
  • Look into financial aid and travel resources for care visits
Bring these questions to your next doctor visit
Should we have genetic testing for PROP1, and should siblings be tested?
Which hormones will need to be replaced, and how are they monitored?
How might this affect puberty and fertility?

Quick facts

InheritanceAutosomal Recessive

Changes in the PROP1 gene cause this condition. It is autosomal recessive, meaning a child inherits a changed copy of the gene from each parent.

Also known as: ateliotic dwarfism with hypogonadism; combined pituitary hormone deficiencies, genetic form caused by mutation in prop1; hanhart dwarfism; pituitary dwarfism iii; pituitary hormone deficiency, combined, type 2; prop1 combined pituitary hormone deficiencies, genetic form

Patient organizations

Source: NIH GARD · Pituitary hormone deficiency, combined, 2GARD ID 15222 · GARD page updated September 2026 · Plain-language summary by Know Rare; editorial review pending. General information, not medical advice.

You are more than your diagnosis

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