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Intersex and genital ambiguity.

B L Tay1

  • 1Department of Maternal Fetal Medicine, Kandang Kerbau Hospital, Singapore.

Singapore Medical Journal
|June 1, 1990
PubMed
Summary

This study outlines normal sexual development and classifies disorders causing genital ambiguity. It details conditions like true hermaphroditism and pseudohermaphroditism, offering management strategies for ambiguous genitalia.

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Area of Science:

  • Reproductive Biology
  • Endocrinology
  • Genetics

Background:

  • Sexual differentiation follows a typical pathway in males and females.
  • Disorders of sexual development can lead to genital ambiguity.
  • Abnormalities are categorized into gonadal development and fetal endocrinology issues.

Purpose of the Study:

  • To describe normal sexual differentiation.
  • To discuss disorders causing genital ambiguity, focusing on true hermaphroditism and mixed gonadal dysgenesis.
  • To present a management approach for ambiguous genitalia.

Main Methods:

  • Review of normal sexual differentiation processes.
  • Classification of disorders based on etiology (gonadal vs. endocrine).
  • Highlighting key features of specific conditions like true hermaphroditism, mixed gonadal dysgenesis, and pseudohermaphroditism.

Main Results:

  • Genital ambiguity arises from gonadal development disorders or fetal endocrinology issues.
  • True hermaphroditism and mixed gonadal dysgenesis are key examples of gonadal development disorders with ambiguity.
  • Female and male pseudohermaphroditism represent disorders of fetal endocrinology.

Conclusions:

  • Understanding the classification of disorders of sexual development is crucial.
  • Specific conditions like true hermaphroditism, mixed gonadal dysgenesis, and pseudohermaphroditism require distinct diagnostic and management considerations.
  • A practical management framework is essential for patients with ambiguous genitalia.

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