Currently, there is no known link between Aspergers and homosexuality that research has been able to determine. However, there is a growing body of subjective evidence that Aspergers adults are more likely than those without Aspergers to self-identify with sexualities other than heterosexuality (e.g., asexuality, pansexuality, polysexuality, bisexuality). Some research suggests that male homosexuality is inherited and caused by a lack of testosterone in the mother's blood during pregnancy (or an excess of it if the baby is female). Since it is easier for a woman to lack testosterone (the male hormone only found in low levels in females), this could explain the higher incidence of homosexuality among men than women. Aspergers has many possible causes, and similar to homosexuality, there is a hereditary factor with the influence of testosterone on the fetus possibly being the most important factor. The incidence of Aspergers is also much greater among males, but unlike m