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Living with Pituitary hormone deficiency, combined, 1

A genetic hormone condition in which the pituitary gland makes too little of several hormones, affecting growth and thyroid function.

Understanding Pituitary hormone deficiency, combined, 1

Pituitary hormone deficiency, combined, 1 is a genetic condition in which the pituitary gland makes low levels of several hormones.

It can lead to short stature, severe slow growth after birth, an underactive thyroid and low growth hormone. Babies may have feeding difficulty, jaundice and failure to thrive. Other features include a hoarse voice, thickened or discolored skin, changes in the nose and facial features, and intellectual disability.

Signs & symptoms

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

  • Short stature
  • Underactive thyroid (hypothyroidism)
  • Poor weight gain (failure to thrive)
  • Feeding difficulties
  • Hoarse voice
  • Low growth hormone and prolactin levels

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.

  4. Connect with expert centers

    Raymond A. Wood Foundation may keep lists of experts for this condition.

Care & treatment

Care team
A doctor familiar with rare conditions, plus specialists as needed
Expert care
Expert lists: Raymond A. Wood Foundation
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 Raymond A. Wood 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 POU1F1, and should family members be tested?
Which hormone treatments could help with growth and thyroid function?
How often should growth and thyroid levels be checked?

Quick facts

InheritanceAutosomal Dominant, Autosomal Recessive

Changes in the POU1F1 gene cause this condition. It can be inherited in an autosomal dominant or autosomal recessive pattern.

Also known as: combined pituitary hormone deficiencies, genetic form caused by mutation in pou1f1; cphd1; pituitary hormone deficiency, combined or isolated, 1; pou1f1 combined pituitary hormone deficiencies, genetic form; pou1f1-related combined pituitary hormone deficiency

Patient organizations

Source: NIH GARD · Pituitary hormone deficiency, combined, 1GARD ID 10601 · 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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