gender 

Gender
This term gender is a set of attributes for documenting the gender of a human.  
NOTE: Needs code list for values, eg, male, female, hemaphrodite

Attribute Group Information

Attributes

QName Type Fixed Default Use Inheritable Annotation
currentGender xs:string optional
genderAtBirth xs:string optional
impersonator xs:boolean optional

Source 

<xs:attributeGroup name="gender">
  <xs:annotation>
    <xs:documentation xml:lang="en">Gender This term gender is a set of attributes for documenting the gender of a human. NOTE: Needs code list for values, eg, male, female, hemaphrodite</xs:documentation>
    <xs:appinfo>NONE</xs:appinfo>
  </xs:annotation>
  <xs:attribute name="genderAtBirth" type="xs:string"/>
  <xs:attribute name="currentGender" type="xs:string"/>
  <xs:attribute name="impersonator" type="xs:boolean"/>
</xs:attributeGroup>