Disorders of Sexual Differentiation (DSD)

Disorders of sexual differentiation (DSD), also referred to as differences or variations in sex development, are a group of rare congenital conditions in which a child’s chromosomes, gonads, or anatomy do not align with typical definitions of male or female. These differences may involve the genitals, internal reproductive structures, hormone levels, or genetic makeup.

DSD is often identified at birth when the appearance of the external genitalia is atypical, but some conditions may not become evident until later in childhood, adolescence, or even adulthood. Prompt evaluation and sensitive care by a multidisciplinary team — including pediatric surgeons, endocrinologists, geneticists, and mental health providers — is essential to ensure medical and emotional well-being.

Types of DSD

There are many variations of DSD. Some of the most common categories include:

  • 46,XX DSD – typically individuals with two X chromosomes who may have ambiguous genitalia due to excess androgen exposure (e.g., congenital adrenal hyperplasia).
  • 46,XY DSD – typically individuals with one X and one Y chromosome but underdeveloped male genitalia, often due to androgen insensitivity or testicular dysfunction.
  • Sex chromosome DSD – includes conditions like Turner syndrome (45,X) or Klinefelter syndrome (47,XXY).

Diagnosis

Diagnosis involves a combination of clinical, laboratory, and imaging evaluations. These may include:

  • Physical examination of external genitalia
  • Chromosomal testing (karyotype)
  • Hormone panels
  • Pelvic or abdominal ultrasound
  • MRI for internal reproductive structures
  • Laparoscopy or biopsy in some cases

Testing is aimed at determining the underlying cause, understanding reproductive potential, and guiding treatment decisions.

Treatment and Management

DSD management is highly individualized and may involve:

  • Observation and monitoring if no urgent surgical intervention is required
  • Hormone therapy to support development and balance hormone levels
  • Reconstructive surgery in select cases, depending on anatomy, function, and family preferences
  • Psychological support for both the child and family, focusing on healthy gender identity development and emotional well-being

Decisions around surgical correction are often deferred until the child is older, unless there is a clear medical indication for earlier intervention.

Family-Centered Approach

Because DSD can raise complex medical, emotional, and social questions, care is provided in a compassionate, team-based environment. At Western Surgical Group, we work closely with families to ensure informed decision-making and long-term support through every stage of development.

Divisions Involved in Your Care

Procedures We Use

Frequently Asked Questions

DSD refers to congenital conditions in which a person’s sex chromosomes, reproductive organs, or genitalia do not follow typical definitions of male or female.

Diagnosis involves physical examination, genetic testing, hormone analysis, and imaging to evaluate internal and external anatomy.

No. Surgical treatment is not always necessary and is often delayed unless medically urgent. Decisions are made in consultation with the family and medical team.

Yes. With proper medical care, emotional support, and open communication, most children with DSD grow up to lead healthy and fulfilling lives.

Not always. Some children with DSD identify with the sex assigned at birth, while others may not. Ongoing support from mental health professionals is important as the child grows.

Care is typically managed by a team including pediatric surgeons, endocrinologists, geneticists, psychologists, and social workers.