One study found that adulthood homosexuality was 8 to 15 times higher for participants with a history of gender variance.

One study found that adulthood homosexuality was 8 to 15 times higher for participants with a history of gender variance. Expand
One study found that adulthood homosexuality was 8 to 15 times higher for participants with a history of gender variance.

In a 20-year follow-up [1] of children, it was found that adulthood homosexuality was 8 to 15 times higher for participants with a history of gender variance.

REFERENCES

[1] Steensma, T.D., van der Ende, J., Verhulst, F.C. & Cohen‐Kettenis, P.T. (2013). Gender Variance in Childhood and Sexual Orientation in Adulthood: A Prospective Study. J Sex Med 10 (11): 2723-2733. [Link]