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KCE reports vol. 6A Prenatale zorg 187
Study Ref Population Intervention Outcomes Results
0.59 to 1.37
Comments Study
type
Crowther
et al., 1999
4 [52] 648 women at a
tertiary level
hospital in
Australia
Women attending for their first
antenatal visit at less than 17
weeks of gestation were
randomised into ultrasound (n =
321) or no ultrasound (n = 327)
Proportion of women
who needed EDD
(estimated date of
delivery) adjusted due to º
10-day discrepancy at 18
to 20 weeks
Feelings about pregnancy
Pregnancy outcomes
Reduced hearing in childhood (2
RCTs, n = 5,418): Peto OR 0.90,
95%CI 0.67, 1.21
Reduced vision in childhood (2
RCTs, n = 5417): Peto OR 0.82,
95% CI 0.66 to 1.01
Use of spectacles (2 RCTs, n =
5331): Peto OR 0.87, 95% CI 0.72
to 1.05
EDD adjusted: 9% vs. 18%, RR 0.52
(95% CI 0.34 t o 0.79)
Concerned about wellbeing of
pregnancy: RR 0.98 (95% CI 0.90
to 1.08)
Feel worried about pregnancy in
any way: RR 0.80 (95% CI 0.65 to
0.99)
Do not feel relaxed about
pregnancy in any way: RR 0.73
(95% CI 0.56 to 0.96)
Do not feel excited about
pregnancy in any way: RR 0.73
(95% CI 0.50 to 1.08)
Nonviable pregnancy: RR 0.97
Menstrual dates
were not
available for 16
women in the
intervention
group
EL
RCT 1b