Table 1

Characteristics of study population

Characteristics
n
%

Nulliparous
103
46.6
Previous abortion
27
12.2
At least one living child
118
53.4



White
168
76.0



Age (years)


14 – 19
21
9.5
20 – 29
98
44.3
30 – 39
85
38.5
40 – 45
17
7.7



Gestational age (weeks)


14 – 16
7
3.2
17 – 21
23
10.4
22 – 24
23
10.4
25 – 28
43
19.5
29 – 32
50
22.6
33 – 36
30
13.6
37 – 40
45
20.4



Total
221


Barbieri et al. Reproductive Health 2008 5:5   doi:10.1186/1742-4755-5-5

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