Does testosterone make you gay

The difference in size has been directly correlated with hormone levels in utero and directly following birth. If testosterone is given to a female rat just prior to and following birth, the size of the medial preoptic area of her hypothalamus will fall within the range of that found in non-treated male rats.

Why Testosterone Is Important for Sexuality in Both Sexes

WHAT ARE SOME INDIVIDUALS GAY WHILE OTHERS ARE NOT?

Based on animal studies, it is likely that the critical period for sex hormones in humans is pre-birth. Prenatal sex hormones are found to influence gender and gendered traits, so it is safe to assume it also influences sexual orientation. While such studies have been conducted in animals, it is unethical to inject sex hormones into human fetuses in the uterus.

But castration after puberty has much less effect, and although sexuality declines slowly, some a variable amount may remain. It is said that some of the supposed post-pubertal eunuchs guarding the harems of olden times took advantage of this without their masters knowing!