Most transgender people who undergo transition use hormones.
Gay people do not inject hormones. (Maybe you are thinking of transgender people).
You're thinking of transgender people, not gay people. Gay people do not "become a girl" unless they are also transgender. Transgender people can be gay, straight, or anything else.For more information about the hormones that Transgender women take, click here.
Usually if you are seeing a therapist that specializes in transgender issues should be able to prescribe them to you. There are also some ways to find them on the black market, though this is not recommended as the hormones will not be regulated. Similar problems occur when buying hormones this way as when buying drugs off the street.
Transgender people are not made. It is something you will be born with.
People don't like the transgender thing
A transgender woman is born a male and they simply live as women. They may take hormones. The proper name is transgender woman. Transsexual women tend to get surgery and/or take hormones to grow breasts. Not all transsexual women consider themselves transgender. However, arguably, a person is neither transgender nor transsexual after surgery, since the goal for the surgery is usually to become completely female.
People are either born transgender or their not.
There are many notable transgender people both alive and dead. Some of the most famous transgender individuals would be Amanda Lepore and Amanda Milan.
I think the US.
Yes.
They don't choose to be transgender, they just are. It's not a choice
This depends on surgical and hormonal therapy, and on the gender with which they choose to have sex.