1. An individual's sex means the individual's biological sex at birth, either male or female. 2. A female is an individual whose biological reproductive system is developed to produce ova and a male is an individual whose biological reproductive system is developed to fertilize the ova of a female. 3. The terms woman and girl refer to human females and the terms man and boy refer to human males. 4. The term mother means a parent of the female sex and the term father means a parent of the male sex.