Inhibin A

In Maternal Serum:

14.6-15.6Weeks : 98.2-215.8
16-16.6Weeks : 137.4-200.4
17-17.6Weeks : 101.1-210.7
18-18.6Weeks : 110.2-245.7
19-19.6Weeks : 88.3-299.3
20-20.5Weeks : 101.6-247.2 

In Males and non pregnant women:

Male:

3-10yrs: up to 6.5 
11-24yrs: up to 10.3
25-40yrs: up to 5.5 
41-60yrs: up to 8.1
61-77yrs: up to 6.8
Female:

Early follicular phase: 5.3-22.2
Mid follicular phase: 5.3-72.1
Late follicular phase: 22-115
mid cycle: 90-151
Early Luteal: 29-209
Mid Luteal: 9-213
Late Luteal: 5.9-26