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Table 2 Percentage (absolute figures within brackets) of the women’s main reasons for choosing or denying prenatal screening for foetal anomalies in week 11–14 of pregnancy, potential concerns related to the unborn childs` health, their experience of the screening test and the main reasons for declining the test

From: Use of pregnancy ultrasound before the 19th week scan: an analytical study based on the Icelandic Childbirth and Health Cohort

2a) Main reason for choosing to attend prenatal screening*

%

n/N

95% CI

 My partner and I agreed on participating

74.5

636/854

0.71–0.77

 To me it was self-evident to participate

49.6

424/854

0.46–0.53

 Everyone I know have had the screening

4.8

41/854

0.04–0.06

 Advice from doctor

4.9

42/854

0.04–0.07

 The child’s father wanted me to participate

4.5

38/854

0.03–0.06

 Advice from midwife

3.7

32/854

0.03–0.05

2b) Had the prenatal screening impact on your worries about whether something was wrong with the child?

 Yes, it increased my concerns

9.5

79/828

0.08–0.12

 Yes, it reduced my concerns

61.5

509/828

0.58–0.65

 No, the screening did not affect my concerns

18.0

149/828

0.16–0.21

 I never had any concerns there was something wrong with the child

11.0

91/828

0.09–0.13

2c) How would you describe your experience with the combined test?

 Very positive

58.3

483/828

0.55–0.62

 Positive

34.1

282/828

0.31–0.37

 Neither positive nor negative

6.5

54/828

0.05–0.08

 Negative

0.6

5/828

0.00–0.01

 Very negative

0.5

4/828

0.00–0.01

2d) Why did you choose to not do the combined test? *

 Do not consider myself at being at risk of having a child with foetal anomalies

39.0

92/234

0.33–0.46

 Do not think I could make a decision if there was a possibility for foetal anomalies

38.9

91/234

0.33–0.45

 Do not think it is reliable enough

26.1

61/234

0.21–0.32

 My values and beliefs

52.6

123/234

0.46–0.59

  1. *More than one option possible