From: On the number of founding germ cells in humans
Age
Sample Size
Mean
S.E.
Ratio Index
19–30 years
5
78980
15580
5.1
31–35 years
13
25300
4860
2.1
36–40 years
14
21450
2650
4.7
41–45 years
32
7320
1450
0.8
>45 years
36
1880
310
1.0