A woman's age and the risk a pregnancy will miscarry
|
Age
of woman
|
Average
chance of miscarrying
|
|
Younger than
20
|
12%
|
|
20-24
|
13%
|
|
25-29
|
14%
|
|
30-34
|
16%
|
|
35-39
|
19%
|
|
40-42
|
25%
|
|
43 and older
|
50%
|
Source: Based predominantly on data from Dorothy Warburton and Clarke Fraser.