Related Experiment Video
Updated: Nov 10, 2025

Anogenital Distance and Perineal Measurements of the Pelvic Organ Prolapse POP Quantification System
Published on: September 20, 2018
The Neonate with Ambiguous Genitalia.
Brian R Lee1, Katie M Strobel1, Alison Chu1
1Division of Neonatology, Department of Pediatrics, University of California Los Angeles, Los Angeles, CA.
Neonates with ambiguous genitalia present diversely, impacting outcomes and requiring timely diagnosis. A systematic evaluation of disorders of sex development ensures appropriate treatment and counseling for families.
Area of Science:
- Pediatric Endocrinology
- Genetics
- Neonatology
Background:
- Ambiguous genitalia in neonates presents a complex clinical challenge.
- Disorders of Sex Development (DSD) encompass a wide spectrum of conditions with varied etiologies.
- The presentation and outcomes of DSD range from benign to life-threatening, impacting long-term health.
Purpose of the Study:
- To review the diverse clinical presentations, etiologies, and outcomes associated with ambiguous genitalia in neonates.
- To highlight the importance of a systematic approach in evaluating disorders of sex development.
- To emphasize the implications of DSD diagnoses on sex assignment, treatment, and family counseling.
Main Methods:
- Systematic review of literature on neonates with ambiguous genitalia and disorders of sex development.
- Analysis of clinical presentations, diagnostic approaches, and management strategies.
- Synthesis of information regarding outcomes and the impact on sex assignment and counseling.
Main Results:
- Neonatal ambiguous genitalia exhibit a wide range of clinical manifestations and underlying causes.
- Certain DSD diagnoses can result in delayed or complex sex assignment decisions.
- Effective management hinges on a timely and accurate etiological diagnosis.
Conclusions:
- A structured diagnostic pathway is crucial for managing neonates with ambiguous genitalia.
- Early identification and management of DSD improve patient outcomes and facilitate informed family decisions.
- Comprehensive counseling and support are essential for families navigating the complexities of DSD.
Related Concept Videos
Development of the Sexual Organs in the Embryo and Fetus
Near the gonadal ridges, two duct systems are present: the mesonephric ducts (Wolffian ducts) and paramesonephric ducts (Müllerian ducts). These ducts form the basis for the...
The Y Chromosome Determines Maleness
Evolution
Around 300 million years ago, the two sex chromosomes diverged from two identical autosomal chromosomes. Over time, the Y chromosome has lost most of its genes, shrinking in size....
External Female Genitals
Nondisjunction
Nondisjunction
Sex-linked Disorders

