The typical patient is over the age of 50, and gender preference has been described.
Pink v blue - are children born with gender preferences?
Erotica is now categorized not only by specialized taste but also by gender, sexual preference and race.
The first few are turned away due to their looks or their gender preference.
Any study that looks into gender preferences is ultimately flawed because they rarely take associated learning into consideration.
Actually, your definitions assume the conclusion that there is nothing in gender preferences other than what is created by society.
There are no age limitations or gender preferences.
A distinct male gender preference has been described.
By the age of 2 or 3, clear gender preferences emerge when it comes to playtime.