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Table 1 Clinical data on the 57 control women

From: Cervical collagen and biomechanical strength in non-pregnant women with a history of cervical insufficiency

Patient number Age Termination of pregnancy
<12 weeks
Spontaneous abortion <16 weeks Spontaneous abortions 16 to 23+6 weeks Cesarean section Parity
Number of deliveries
1 49 2 - - - 3
2 48 1 - - - 3
3 45 - 2 - - -
4 36 1 2 - - 3
5 44 - - - - 2
6 30 - - - - 2
7 33 1 - - 2 2
8 41 1 1 - - 2
9 40 2 - - - 2
10 33 1 1 - 1 2
11 34 - 1 - 1 3
12 41 1 - - - 3
13 42 1 - - - 2
14 34 - - - - 2
15 41 2 - - - 2
16 30 - 1 - - 2
17 39 1 - - - 2
18 41 - - - - -
19 40 1 - - - 3
20 38 - 1 - 1 2
21 30 - 4 - - 2
22 41 2 1 - - 3
23 39 2 - - - 2
24 38 - 1 - - 3
25 41 - 1 - - 3
26 40 1 - - - 1
27 37 - - - - 3
28 41 - - 1 - 3
29 37 - - - 2 2
30 32 - - - - 2
31 44 - 1 - - 2
32 42 1 - - - 4
33 36 1 - - - 2
34 42 - 2 - - 4
35 44 - 3 - - 3
36 33 2 - - 2 3
37 31 - - - - -
38 43 - - - - 1
39 30 - 1 - 3 3
40 31 - 1 - - 3
41 42 - - - - 2
42 42 - - - 1 1
43 46 1 - - - 4
44 39 1 - - - 3
45 35 2 2 - 1 3
46 38 - - - - 4
47 36 - - - 2 2
48 42 1 - - - 1
49 45 - - - - -
50 42 1 - - - 3
51 31 1 - - - 2
52 34 - 1 - - 2
53 41 1 1 - - 3
54 41 - - - 1 2
55 30 - - - - -
56 39 1 1 - - 3
57 29 - - - - 3
  1. All women had normal pregnancies and deliveries at term