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KCE reports vol. 6A Prenatale zorg 193
1. c. Ultrasound in the third trimester
Study Ref Population Intervention Outcomes Results Comments Study type EL
Bricker and 27 7 controlled Assessment of Obstetric No difference in Lack of data with SR 1a
Neilson, 1999
trials recruiting the effects on practice antenatal , regard to long
25,036 pregnant obstetric practice
obstetric and term substantive
women and pregnancy Pregnancy neonatal outcomes such
and outcome of outcome intervention or as
routine late
morbidity in neurodevelopme
pregnancy
screened versus nt
ultrasound,
control groups and with regard
defined as
to maternal
greater than 24
Routine late psychological
weeks gestation,
pregnancy effects
in women with
ultrasound was
either unselected
not associated Reproducibility
or low risk
with
of the results of
pregnancies
improvements in the one trial that
overall perinatal assessed
mortality
Placental grading
as an adjunct
third trimester
examination scan
was associated
with a significant
reduction in the
stillbirth rate ( in
the 1 trial that
assessed it)
placental grading
is uncertain