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Living with Persistent Mullerian duct syndrome

A condition in which males have normal male organs but also a uterus and fallopian tubes, often found during surgery for undescended testes or hernia.

Understanding Persistent Mullerian duct syndrome

Persistent Müllerian duct syndrome is a disorder of sexual development in males who have a uterus and fallopian tubes in addition to normal male organs.

People have male (46,XY) chromosomes and normal external male genitals. The uterus and fallopian tubes are usually found when surgery is done to treat undescended testes or an inguinal hernia. Some people may also have infertility or blood in the semen. It is noticed in infancy.

Signs & symptoms

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

  • Undescended testes (cryptorchidism)
  • Inguinal hernia (a bulge in the lower belly)
  • Uterus and fallopian tubes in a male

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 genetic specialists, hormone specialists and urinary and male reproductive system specialists.

  3. Ask which tests can help

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

  4. Connect with expert centers

    Resolve: The National Infertility Association may keep lists of experts for this condition.

Care & treatment

Care team
Genetic specialists (geneticists); Hormone specialists (endocrinologists); Urinary and male reproductive system specialists (urologists)
Expert care
Expert lists: Resolve: The National Infertility Association
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 InterConnect 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
What surgery is recommended, and when?
How can the testes be protected and monitored?
What does this mean for fertility?

Quick facts

Symptoms usually startInfant
InheritanceAutosomal Recessive

Changes in the genes (also called variants) cause this condition. It is autosomal recessive, which means a child inherits a changed copy of the gene from each parent. GARD doesn't list a specific gene.

GeneticEndocrineUrinary and Reproductive

Also known as: female genital ducts in otherwise normal male; hernia uteri inguinale; persistent muellerian duct syndrome; persistent mullerian derivatives; persistent mullerian duct syndrome, type i; persistent mullerian duct syndrome, type ii

Patient organizations

Source: NIH GARD · Persistent Mullerian duct syndromeGARD ID 8435 · 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 Persistent Mullerian duct syndrome.

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