In the US and across cultures, research shows that most individuals begin to become aware of sexual attractions and interests by age 9-10.
According to research and surveys people usually become aware of their sexual orientation somewhat between middle childhood and early adolescence. While another cross culture study show that children become aware of gender and gender roles by the age of 2-3.
This research has examined several possible biological, social, and cultural influences on sexual orientation.
Usually this is the time when their especially girl's body starts to change and they reach puberty, which becomes a landmark of sexuality i.e., they become aware of of their sexuality.
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