| Age (years) |
Number of previous miscarriages
|
|
2 |
3 |
4 |
5 |
|
| 20 |
92 |
90 |
88 |
85 |
|
(86–98) |
(83–97) |
(79–96) |
(74–96) |
| 25 |
89 |
86 |
82 |
79 |
|
(82–95) |
(79–93) |
(75–91) |
(68–90) |
| 30 |
84 |
80 |
76 |
71 |
|
(77–90) |
(74–86) |
(69–83) |
(61–81) |
| 35 |
77 |
73 |
68 |
62 |
|
(69–85) |
(66–80) |
(60–75) |
(51–74) |
| 40 |
69 |
64 |
58 |
52 |
|
(57–82) |
(52–76) |
(45–71) |
(37–67) |
| 45 |
60 |
54 |
48 |
42 |
|
(41–79) |
(35–72) |
(29–67) |
(22–62) |
|
| Values are percentages with 95% confidence intervals (CI) shown in parentheses. Where the CI <20%, the values are shown in bold print. |
|