Not Clearly Pro or Con to the question "Is Sexual Orientation Determined at Birth?"
"I think that it [sexual orientation] is set by age 1, so my answer to the question as posed is an uninteresting 'maybe.' Those of us who testify as experts in court rarely answer 'yes/no' questions 'yes' or 'no.'"
Experts PhD's in psychology, without significant post-doctorate involvement in human sexuality issues, and PhD's in fields other than psychology, and MA's with significant post-graduate involvement in human sexuality issues. [Note: Experts definition varies by site.]
Involvement and Affiliations:
Research Director of El Instituto Obregón in San Francisco
Testifies as expert witness on sexuality issues
Researcher on sexuality issues in Latin America
Postdoctoral studies in Anthropology, University of California, Berkeley