Follicle-stimulating hormone (IU/L)
   Male: 1.5 – 12.4
   Female: 1.7 – 24.5 
      Unknown menstruation cycle status  1.7 – 24.5
      Early follicular phase(2-4 cycle day) 2.5 – 12.5
      Follicular phase(5–11 cycle day) 3.5 – 13.5
      Ovulatory phase(12–16 cycle day) 4.7 – 24.5
      Luteal phase(17–22 cycle day) 1.7 – 7.7
      postmenopausal  26 – 135
   Children (both sexes):  0.1 – 10
      Prepuberty 0.1 – 5
      Puberty 0.3 – 10