Putative Androgen Exposure and Sexual Orientation: Cross-Cultural Evidence Suggesting a Modified Neurohormonal Theory

Ellis L 1 , Lykins A 2 , Hoskin A 3 , Ratnasingam M 1

Affiliations 

  • 1 University of Malaya, Kuala Lumpur, Malaysia
  • 2 University of New England, Armidale, NSW, Australia
  • 3 Idaho State University, Pocatello, ID, USA
J Sex Med, 2015 Dec;12(12):2364-77.
PMID: 26663858 DOI: 10.1111/jsm.13070

Abstract

According to neurohormonal theory, prenatal androgens are key determinants of sexual orientation. As a reputed marker for prenatal androgens, the 2D:4D finger length ratio has been used in more than a dozen studies to test the hypothesis that prenatal androgens influence sexual orientation. Findings have been very inconsistent.

* Title and MeSH Headings from MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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