Here is a list of new gender options Facebook is making available (for U.S. users only):
Agender
Androgyne
Androgynous
Bigender
Cis
Cis Female
Cis Male
Cis Man
Cis Woman
Cisgender
Cisgender Female
Cisgender Male
Cisgender Man
Cisgender Woman
Female to Male
FTM
Gender Fluid
Gender Nonconforming
Gender Questioning
Gender Variant
Genderqueer
Intersex
Male to Female
MTF
Neither
Neutrois
Non-binary
Other
Pangender
Rooty Tooty Fresh-n-Fruity
Trans
Trans Female
Trans Male
Trans Man
Trans Person
Trans*Female
Trans*Fat
Trans*Male
Trans*Man
Trans*Person
Trans*Packer
Trans*Woman
Trans*Wookie
Transexual
Transexual Female
Transexual Male
Transexual Man
Transexual Person
Transexual Woman
Transgender Female
Transgender Person
Transmasculine
Two-spirit
What the hell is a Cis?
seems as though cis means someone whose bio and gender preferences coinside. In other words normative males and females but the non normitives prefer that normal be called cis.