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Differences in sex development

Information from the Medical Directory health library.

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This information supports, and does not replace, advice from your healthcare professional.

Overview

Differences in sex development (DSD) are a group of conditions where the development of chromosomal, gonadal, or anatomical sex is atypical. Individuals may have ambiguous genitalia or differences in reproductive anatomy.

Symptoms

Ambiguous genitalia at birth Delayed or atypical puberty Infertility Hormonal imbalances

Causes

Genetic mutations affecting sex chromosomes or genes Hormonal disorders during fetal development Enzyme deficiencies affecting sex hormone synthesis

Diagnosis

Chromosomal analysis (karyotyping) Hormone level tests Imaging studies of internal reproductive organs Genetic testing for specific mutations

Treatment

Hormone replacement therapy if needed Surgical correction for anatomical differences in some cases Psychological support and counseling Individualized management plans

Complications

Infertility Psychosocial challenges Risk of gonadal tumors in some DSD types

Prevention

Genetic counseling for at-risk families Early diagnosis and intervention Supportive care to reduce psychosocial impact

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