Gay sibling research




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Gay sibling research
Gay sibling research

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Fraternal birth order and male sexual orientation

The results of the meta-analysis confirmed the reliability of the fraternal birth order effect. After statistically controlling for number of older brothers, homosexual and heterosexual males do not differ in gay sibling research mean number of older sisters, younger sisters or younger brothers. Using these criteria for sexual orientation identity, attraction, fantasies, and behavior, Currin et al. Thus, establishing the existence of the fraternal birth order effect — a hypothesized outcome of the fraternal birth order mechanism — in a non-Western culture would further substantiate arguments that similar gay sibling research influences underlie the development of homosexuality across cultures. Retrieved 17 August

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Gay sibling research
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Gay sibling research

Despite how variable cultures can be, cross-cultural universals in the development of homosexual males appear to exist. Annu Rev Sex Res. This has been gay sibling research in samples from Canada, [66] the United Kingdom, [62] the Netherlands, [67] and Polynesia. Information on birth weight, maternal gravidity, and other demographic variables was reported on questionnaires completed by the probands' mothers. The study found that the amount of time reared with older brothers, either biological or non-biological, neither predicted sexual orientation nor affected the relationship between older brothers and sexual orientation, thereby pointing to a prenatal origin of the fraternal birth order effect.

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