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Living with 46,XY disorder of sex development

A condition in which a person with XY chromosomes has genitals that are not clearly male or female.

Understanding 46,XY disorder of sex development

46,XY disorder of sex development is a condition in which a person with one X and one Y chromosome has genitals that are not clearly male or female.

Infants tend to have hypospadias (the urethra opening on the underside of the penis), atypical testis development, and reduced or no sperm production. Some people have partly to fully formed female reproductive organs, such as a uterus and fallopian tubes. People may be raised as males or females.

Signs & symptoms

GARD doesn't list specific symptoms for this condition yet.

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 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.

Care & treatment

Care team
Hormone specialists (endocrinologists); Urinary and male reproductive system specialists (urologists)
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 InterConnect
  • 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
Which tests can find the cause of my child's atypical development?
Which specialists should be on our team?
What should we know about fertility and hormones?

Quick facts

GARD doesn't describe a cause for this condition yet.

EndocrineUrinary and Reproductive

Also known as: 46, xy disorder of sex development (dsd); 46,xy differences of sex development; 46,xy disorders of sex development; 46,xy dsd

Patient organizations

  • InterConnect46,XY disorder of sex development · United States
Source: NIH GARD · 46,XY disorder of sex developmentGARD ID 8538 · 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 46,XY disorder of sex development.

Explore the 46,XY disorder of sex development blog

Explore research for 46,XY disorder of sex development

Explore actively recruiting 46,XY disorder of sex development studies with HealthSpark.

HealthSpark

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Powered by HealthSpark, our AI chat helper · Study information from ClinicalTrials.gov · Eligibility is confirmed by the study team.

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