Constants indicating the user’s sex. A person's sex is a combination of bodily characteristics including: chromosomes, hormones, internal and external reproductive organs, and secondary sex characteristics.
A constant indicating that either the user’s biological sex characteristic type is not set, or the user has not granted your app permission to read that characteristic type.
A constant indicating that the user is female.
A constant indicating that the user is male.
A constant indicating that the user is otherwise not categorized as either male or female.
Other HealthKit Constants
Categories representing the user’s skin type based on the Fitzpatrick scale. The Fitzpatrick scale is a numerical classification for skin color based on the skins response to sun exposure in terms of the degree of burning and tanning.