Environment and sexual orientation
The relationship between the environment and sexual orientation is a subject of research. In the study of sexual orientation, some researchers distinguish environmental influences from hormonal influences, while other researchers include biological influences such as prenatal hormones as part of environmental influences.
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Scientists do not know the exact cause of sexual orientation, but they theorize that it is the result of a complex interplay of genetic, hormonal, and environmental influences. They do not view sexual orientation as a choice.
Hypotheses for the impact of the post-natal social environment on sexual orientation are weak, especially for males. There is no substantial evidence which suggests parenting or early childhood experiences influence sexual orientation, but research has linked childhood gender nonconformity and homosexuality.