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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