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Living with Prominent glabella-microcephaly-hypogenitalism syndrome

A rare genetic syndrome with slow growth before birth, a small head, and seizures from birth.

Understanding Prominent glabella-microcephaly-hypogenitalism syndrome

Prominent glabella-microcephaly-hypogenitalism syndrome is a rare genetic syndrome that starts before birth or in the newborn period.

It involves slow growth before birth, a small head size (microcephaly), underdeveloped genitals, and seizures present from birth. It can also involve delayed development and distinct facial features, such as a prominent area between the eyebrows.

Signs & symptoms

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

  • Slow growth before birth
  • Small head size (microcephaly)
  • Seizures from birth
  • Delays in development
  • Small lower jaw (micrognathia)
  • Large, overfolded ears

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

    Specialists who may be involved include brain and nervous system specialists and genetic specialists.

  3. Ask which tests can help

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

Care & treatment

Care team
Brain and nervous system specialists (neurologists); Genetic specialists (geneticists)
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 rare disease patient organizations for support
  • 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
Is genetic testing available to find the cause?
How can seizures be treated?
What therapies can support development?

Quick facts

Symptoms usually startduring Pregnancy and as a Newborn
InheritanceAutosomal Recessive

GARD says gene changes cause this condition, and it is autosomal recessive, meaning a child inherits a changed copy of the gene from each parent. It doesn't name a gene yet.

GeneticNeurological

Also known as: macdermot winter syndrome; macdermot-winter syndrome; prominent glabella with microcephaly and hypogenitalism syndrome

Patient organizations

Rare-disease groups that can help

Source: NIH GARD · Prominent glabella-microcephaly-hypogenitalism syndromeGARD ID 144 · 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

Perspectives from people navigating life with Prominent glabella-microcephaly-hypogenitalism syndrome.

Explore the Prominent glabella-microcephaly-hypogenitalism syndrome blog

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