Related Experiment Video

Updated: Aug 12, 2026

Modeling Encephalopathy of Prematurity Using Prenatal Hypoxia-ischemia with Intra-amniotic Lipopolysaccharide in Rats
07:36

Modeling Encephalopathy of Prematurity Using Prenatal Hypoxia-ischemia with Intra-amniotic Lipopolysaccharide in Rats

Published on: November 20, 2015

Genital abnormalities mimicking congenital adrenal hyperplasia in premature infants

R Greaves1, S Kanumakala, A Read

  • 1Division of Laboratory Services (Complex Biochemistry), Women's and Children's Health, Melbourne, Australia.

Journal of Paediatrics and Child Health
|March 11, 2004
PubMed

Insights

Transient genital abnormalities in premature infants can mimic true ambiguous genitalia. Misleading biochemical tests in these cases can cause significant parental distress, highlighting the need for careful evaluation.

Area of Science:

  • Pediatric Endocrinology
  • Neonatology
  • Medical Genetics

Background:

  • Premature infants may present with unusual genital appearances that can be misdiagnosed as true ambiguous genitalia.
  • Biochemical tests in neonates can be misleading due to the persistent fetal zone of the adrenal cortex.
  • Misdiagnosis of ambiguous genitalia in infants has severe emotional consequences for parents.

Purpose of the Study:

  • To describe two cases of premature infants with transient genital abnormalities and abnormal biochemical tests.
  • To emphasize the potential for misdiagnosis and its impact on families.

Main Methods:

  • Case report of two premature infants.
  • Review of clinical presentation, biochemical test results, and follow-up.

Main Results:

  • Both patients exhibited transient genital abnormalities.
  • Biochemical tests were abnormal but normalized over time.
  • The abnormalities were not indicative of true intersex conditions.

Conclusions:

  • Unusual genital appearances and abnormal biochemical tests in premature infants can be transient.
  • Careful clinical evaluation and follow-up are crucial to avoid misdiagnosis of ambiguous genitalia.
  • Preventing misdiagnosis alleviates parental distress and avoids unnecessary interventions.

More Related Videos

A Rat Model of Mild Intrauterine Hypoperfusion with Microcoil Stenosis06:19

A Rat Model of Mild Intrauterine Hypoperfusion with Microcoil Stenosis

Published on: January 7, 2018

Anogenital Distance and Perineal Measurements of the Pelvic Organ Prolapse (POP) Quantification System03:49

Anogenital Distance and Perineal Measurements of the Pelvic Organ Prolapse (POP) Quantification System

Published on: September 20, 2018

Related Concept Videos

Nondisjunction01:29

Nondisjunction

During meiosis, chromosomes occasionally separate improperly. This occurs due to failure of homologous chromosome separation during meiosis I or failed sister chromatid separation during meiosis II. In some species, notably plants, nondisjunction can result in an organism with an entire additional set of chromosomes, which is called polyploidy. In humans, nondisjunction can occur during male or female gametogenesis and the resulting gametes possess one too many or one too few chromosomes.
Genomic Imprinting and Inheritance02:30

Genomic Imprinting and Inheritance

Diploid organisms inherit genetic material through chromosomes from both parents. Copies of the same gene are known as alleles. In most cases, both alleles are simultaneously expressed and allow various cellular processes to function optimally. If one of the alleles is missing or mutated, the expression of the other allele can compensate; however, this is not true for all genes.
The expression of some genes depends on which parent passed the gene to the offspring, through a phenomenon known as...
Smooth Endoplasmic Reticulum01:21

Smooth Endoplasmic Reticulum

Smooth endoplasmic reticulum or smooth ER is a sub-organelle with specialized functions in animal cells and plant cells. It is often associated with the tubule morphology of the endoplasmic reticulum.
The ER provides optimal conditions for synthesizing steroid hormones and lipids, such as phospholipids and triglycerides. Traditionally, lipid metabolism was considered to be a smooth ER function. However, there is no direct evidence to prove that rough ER is completely excluded from lipid...
Teratogenicity01:07

Teratogenicity

The ability of a drug to produce structural deformations and functional abnormalities in the developing embryo or the fetus is called teratogenicity, and the drug producing this effect is known as a teratogen. Teratogenic effects include stillbirth, miscarriage, intrauterine growth restriction, and neurocognitive delay. A teratogen may affect the embryo at different stages of development, which is important in determining the type and extent of the damage. During blastocyst formation, the early...
Cushing Syndrome I: Introduction01:26

Cushing Syndrome I: Introduction

Cushing syndrome refers to the collection of clinical manifestations that arise when tissues are exposed to excessive amounts of cortisol or cortisol-like medications over an extended period. Cortisol, a glucocorticoid produced by the adrenal cortex, regulates metabolism, immune responses, and the body’s adaptation to stress. When its concentration remains chronically elevated, these physiological pathways become dysregulated, resulting in the characteristic features of the syndrome.Exogenous...
Cushing Syndrome II: Pathophysiology01:19

Cushing Syndrome II: Pathophysiology

Cortisol production is normally governed by the hypothalamic–pituitary–adrenal (HPA) axis, which maintains hormonal balance through tightly regulated feedback mechanisms. Disruption of this regulatory system is central to the development of Cushing syndrome, whether the excess cortisol originates from external medications or internal pathology. Persistent cortisol elevation alters metabolism, immune function, and endocrine signaling, producing the characteristic clinical features of the...