Human chorionic gonadotropin (IU/L)
   Male: < 2.0
   Female: < 3.0
      Unknown menstruation cycle status  < 3.0
      Postmenopausal < 7.0
      Pregnancy
         3 week 5.8 – 71.2
         4 week 9.5 – 750
         5 week 217 – 7.138
         6 week 158 – 31.795
         7 week 3.697 – 163.563
         8 week 32.065 – 149.571
         9 week 63.803 – 151.410
         10–11 week 46.509 – 186.977
         12–13 week 27.832 – 210.612
         14 week 13.950 – 62.530
         15 week 12.039 – 70.971
         16 week 9.040 – 56.451
         17 week 8.175 – 55.868
         18 week 8.099 – 58.176
     1st trimester 5 – 210.000