|
Year of pregnancy start
|
Total at risk
|
Number of incident pregnancies
|
Pregnancies per 1000 women
|
Number of person years of follow up
|
Incidence rate per 1000 woman years (95% CI)
|
|---|
|
Overall
|
8024
|
448
|
55.8
|
20,466.4
|
21.9 (20.0, 24.0)
|
|
2005
|
301
|
7
|
23.3
|
133.1
|
52.6 (25.1, 110.3)
|
|
2006
|
612
|
23
|
37.6
|
309.9
|
74.2 (49.3, 111.7)
|
|
2007
|
926
|
34
|
36.7
|
554.9
|
61.3 (43.8, 85.8)
|
|
2008
|
1100
|
25
|
22.7
|
758.4
|
33.0 (22.3, 48.8)
|
|
2009
|
1398
|
30
|
21.5
|
1022.8
|
29.4 (20.6, 42.0)
|
|
2010
|
1698
|
39
|
23.0
|
1270.5
|
30.7 (22.4, 42.0)
|
|
2011
|
2106
|
60
|
28.5
|
1663.59
|
36.1 (28.0, 46.5)
|
|
2012
|
2428
|
47
|
19.4
|
1973.7
|
23.8 (17.9, 31.7)
|
|
2013
|
2649
|
37
|
14.0
|
2055.2
|
18.0 (13.0, 24.8)
|
|
2014
|
2634
|
59
|
22.4
|
2306.3
|
25.6 (19.8, 33.0)
|
|
2015
|
2767
|
35
|
12.6
|
2494.7
|
14.0 (10.1, 19.5)
|
|
2016
|
2938
|
27
|
9.2
|
2761.5
|
9.8 (6.7, 14.3)
|
|
2017a
|
2985
|
25
|
8.4
|
2818.5
|
8.9 (6.0, 13.2)
|
- aIncludes only until Feb 28, 2017
