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Living with Lethal fetal cerebrorenogenitourinary agenesis/hypoplasia syndrome

A rare inherited condition affecting the brain, kidneys, and genitals and urinary tract, starting before birth.

Understanding Lethal fetal cerebrorenogenitourinary agenesis/hypoplasia syndrome

Lethal fetal cerebrorenogenitourinary agenesis/hypoplasia syndrome is a rare inherited condition that changes how the brain, kidneys, and urinary and genital organs form.

It involves slow growth before birth, bent and fixed joints, a very small head, and kidney differences. The brain has many differences, and the genital and urinary organs may be underdeveloped or missing. It is noticed during pregnancy.

Signs & symptoms

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

  • Very small head (microcephaly)
  • Missing or underdeveloped parts of the brain
  • Missing kidneys (bilateral renal agenesis)
  • Joint contractures (arthrogryposis)
  • Small lower jaw (micrognathia)
  • Low amniotic fluid

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 bone and joint specialists, brain and nervous system specialists, genetic specialists and kidney specialists.

  3. Consider genetic testing

    Changes in KIF14 are linked to this condition. Genetic testing and counseling can help confirm a diagnosis and explain what it means for your family.

Care & treatment

Care team
Bone and joint specialists (orthopedists or orthopedic surgeons); Brain and nervous system specialists (neurologists); Genetic specialists (geneticists); Kidney specialists (nephrologists)
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 National Kidney Foundation and other patient organizations
  • 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
Would KIF14 gene testing help our family?
What can prenatal imaging show for the brain and kidneys?
What genetic counseling is available for future pregnancies?

Quick facts

Symptoms usually startduring Pregnancy
InheritanceAutosomal Recessive
GenesKIF14

It is caused by changes in the KIF14 gene. A child inherits a changed copy of the gene from each parent (autosomal recessive).

GeneticNeurologicalKidneyUrinary and Reproductive

Also known as: lethal fetal cerebrorenogenitourinary agenesis or hypoplasia syndrome; meckel syndrome 12; meckel syndrome type 12

Patient organizations

Source: NIH GARD · Lethal fetal cerebrorenogenitourinary agenesis/hypoplasia syndromeGARD ID 17743 · 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 Lethal fetal cerebrorenogenitourinary agenesis/hypoplasia syndrome.

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