Androgen Insensitivity Syndrome, Partial

National Organization for Rare Disorders, Inc.

Important
It is possible that the main title of the report Androgen Insensitivity Syndrome, Partial is not the name you expected. Please check the synonyms listing to find the alternate name(s) and disorder subdivision(s) covered by this report.

Synonyms

  • Gilbert-Dreyfus Syndrome
  • Incomplete Testicular Feminization
  • Lubs Syndrome
  • Rosewater Syndrome
  • Type I Familial Incomplete Male Pseudohermaphroditism
  • Reifenstein Syndrome

Disorder Subdivisions

  • None

General Discussion

Androgen insensitivity refers to an inability of the body to respond properly to male sex hormones (androgens) produced during pregnancy. This occurs because of a change (mutation) in a gene involved in the production of the protein inside cells that receives the androgen hormone and instructs the cell in how to use it.

Partial androgen insensitivity syndrome (pais) is part of a spectrum of syndromes that also includes androgen insensitivity syndrome (AIS) and mild androgen insensitivity syndrome (mais). In each case, the development of the reproductive and genital organs of the fetus is affected, as a result of the gene mutation.

During the first 10 weeks of pregnancy, the external anatomy of male and female embryos appears to be identical. The presence or absence of the male sex hormone testosterone determines whether male or female genitalia develop. In partial androgen insensitivity syndrome, the development of the external genitals will be intermediate between male and female (ambiguous genitalia).

Each of these forms of AIS is also a hereditary form of male pseudohermaphroditism, in which the baby is born with testes and possesses both male and female characteristics. The disorder is inherited as an X-linked, recessive trait.

Resources

Androgen Insensitivity Syndrome Support Group (AISSG)
P.O. Box 2148
Duncan, OK 73534-2148
USA
Email: aissgusa@hotmail.com
Internet: http://www.aissgusa.org

MUMS National Parent-to-Parent Network
150 Custer Court
Green Bay, WI 54301-1243
USA
Tel: (920)336-5333
Fax: (920)339-0995
Tel: (877)336-5333
Email: mums@netnet.net
Internet: http://www.netnet.net/mums/

Genetic and Rare Diseases (GARD) Information Center
PO Box 8126
Gaithersburg, MD 20898-8126
Tel: (301)251-4925
Fax: (301)251-4911
Tel: (888)205-2311
TDD: (888)205-3223
Email: ordr@od.nih.gov
Internet: http://rarediseases.info.nih.gov/Default.aspx

Madisons Foundation
PO Box 241956
Los Angeles, CA 90024
Tel: (310)264-0826
Fax: (310)264-4766
Email: getinfo@madisonsfoundation.org
Internet: http://www.madisonsfoundation.org

Accord Alliance
398 Columbus Avenue #294
Boston, MA 02116-6008
USA
Tel: (617)488-9770
Fax: (801)348-5350
Email: anthony.asciutto@accordalliance.org
Internet: http://www.accordalliance.org

For a Complete Report

For a Complete Report

This is an abstract of a report from the National Organization for Rare Disorders, Inc. ® (NORD). A copy of the complete report can be obtained for a small fee by visiting the NORD website. The complete report contains additional information including symptoms, causes, affected population, related disorders, standard and investigational treatments (if available), and references from medical literature. For a full-text version of this topic, see http://www.rarediseases.org/search/rdblist.html

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