Androstendione (µg/L)
    Male:   0.50 – 2.50
       18–49 years 0.57 – 2.65
    Female:         0.40 – 2.70
       18–49 years 0.47 – 2.68
       Postmenopausal 0.40 – 2.70
    Children:  0.10 – 2.20
      prepuberty (both sexes): 0.10 – 0.60 
      puberty:   Boys 0.30 – 2.00
                      Girls 0.40 – 2.20