Gonadal dysgenesis

Gonadal dysgenesis generally refers to a condition where gonadal development is abnormal, often only presenting streaks of connective tissue: so-called streak gonads.

The condition may be due to:

• Turner syndrome, and its variations (i.e. mosaicism)
• XX gonadal dysgenesis, also pure gonadal dysgenesis, 46, XX
• Swyer syndrome, also pure gonadal dysgenesis, 46, XY
• Perrault syndrome
• Mixed gonadal dysgenesis
• Endocrine disruptors

It is one of the causes of intersexuality, because the genitalia are determined to be neither exclusively male nor female.

• Ovotestis

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