17β-Estradiol (ng/L)
   Male: 7.6 – 42.6
   Female: 8.5 – 498 
      Unknown menstruation cycle status 8.5 – 498
      Early follicular phase(2–4 cycle day) 8.5 – 75
      Follicular phase(5–11 cycle day) 12.5 – 166
      Ovulatory phase(12–16 cycle day) 85.8 – 498
      Luteal phase(17–22 cycle day) 43.8 – 211
      postmenopausal  5.0 – 54.7
      1st trimester 215 – 4300
      Boys    1–10 years     5 – 20
                  10–12 years 7 – 22 
                  13–16 years 7 – 33
                  17–18 years 7 – 40
      Girls    1–10 years 6 – 27
                  10–12 years 7 – 38
                  13–16 years 10 – 181
                  17–18 years 10 – 260