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Thank you for visiting nature. You are using a browser version with limited support for CSS. To obtain the best experience, we recommend you use a more up to date browser or turn off compatibility mode in Internet Explorer. In the meantime, to ensure continued support, we are displaying the site without styles and JavaScript. We focused on the ventral striatum, an area of the brain associated with desire, extending previous findings from the sexual psychophysiology literature in which homosexual women had greater category specificity relative to heterosexual and bisexual women in their responses to male and female erotic stimuli.
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Neural Correlates of Sexual Orientation in Heterosexual, Bisexual, and Homosexual Women

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Female bisexuality from adolescence to adulthood: results from a year longitudinal study

Few studies have compared the experiences of LB women in the CO process. Rather, most prior research has either: 1 not addressed bisexuality or eliminated bisexual individuals from the analysis; 2 combined bisexual women and bisexual men in the same sexual orientation group; or 3 examined bisexual participants alongside lesbian women and gay men, using a single monolithic measure. More lesbian women had CO to both their mother and their father than had bisexual women. These lesbian women reported lower levels of ISS and higher levels of LB positive identity relative to bisexual women.
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Female bisexuality from adolescence to adulthood: results from a 10-year longitudinal study

Researchers asked more than bisexual women and those who report being attracted to more than one gender about their mental health, how open they are about their sexuality, their experiences with discrimination, and any symptoms of depression. Among their findings is that bisexual women in relationships with heterosexual cisgender men were least likely to be open about their sexual orientation. Bisexual women in relationships with cisgender lesbian women, bisexual cisgender women partners, and bisexual cisgender men partners were more likely to be out than those partnered with heterosexual men. Researchers speculated that bi women may be more comfortable disclosing their sexual orientation when in a relationship with a woman.
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It is known that the testes function most effectively (including the production of sperm) at slightly cooler than core body temperature. Geography: One study showed that geographic location influenced average sperm count. Men in New York City had higher sperm counts than men in Los Angeles.
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