Findings

What do systematic reviews say?

7 questions · 7 findings · 1 reviews

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No studies found 0 · 0%GRADE not reported 1 · 14.3%Very low 1 · 14.3%Low 2 · 28.6%Moderate 3 · 42.9%High 0 · 0%

Umbilical artery Doppler ultrasound vs no Doppler ultrasound

Any perinatal death after randomisation · pregnant women at increased risk of fetal complications

Umbilical artery Doppler ultrasound probably leads to lower any perinatal death after randomisation compared with no Doppler ultrasound (moderate certainty).

1 finding from 1 review

Fetal and umbilical Doppler ultrasound in high‐risk pregnancies 2017 · Cochrane Headline outcomes only
RR 0.71 [0.52, 0.98]
16 studies · 10225 participants
Moderate

Umbilical artery Doppler ultrasound vs no Doppler ultrasound

Serious neonatal morbidity · pregnant women at increased risk of fetal complications

1 finding from 1 review

Fetal and umbilical Doppler ultrasound in high‐risk pregnancies 2017 · Cochrane Headline outcomes only
no estimate extracted
3 studies · 1098 participants
Very low

Umbilical artery Doppler ultrasound vs no Doppler ultrasound

Stillbirth · pregnant women at increased risk of fetal complications

Umbilical artery Doppler ultrasound showed no clear difference in stillbirth compared with no Doppler ultrasound (low certainty).

1 finding from 1 review

Fetal and umbilical Doppler ultrasound in high‐risk pregnancies 2017 · Cochrane Headline outcomes only
RR 0.65 [0.41, 1.04]
15 studies · 9560 participants
Low

Umbilical artery Doppler ultrasound vs no Doppler ultrasound

Apgar score less than 7 at 5 minutes · pregnant women at increased risk of fetal complications

Umbilical artery Doppler ultrasound showed no clear difference in apgar < 7 at 5 minutes compared with no Doppler ultrasound (low certainty).

1 finding from 1 review

Fetal and umbilical Doppler ultrasound in high‐risk pregnancies 2017 · Cochrane Headline outcomes only
RR 0.92 [0.69, 1.24]
7 studies · 6321 participants
Low

Umbilical artery Doppler ultrasound vs no Doppler ultrasound

Caesarean section · pregnant women at increased risk of fetal complications

Umbilical artery Doppler ultrasound probably leads to lower caesarean section (elective and emergency) compared with no Doppler ultrasound (moderate certainty).

1 finding from 1 review

Fetal and umbilical Doppler ultrasound in high‐risk pregnancies 2017 · Cochrane Headline outcomes only
RR 0.9 [0.84, 0.97]
14 studies · 7918 participants
Moderate

Umbilical artery Doppler ultrasound vs no Doppler ultrasound

Induction of labour · pregnant women at increased risk of fetal complications

Umbilical artery Doppler ultrasound probably leads to lower induction of labour compared with no Doppler ultrasound (moderate certainty).

1 finding from 1 review

Fetal and umbilical Doppler ultrasound in high‐risk pregnancies 2017 · Cochrane Headline outcomes only
RR 0.89 [0.8, 0.99]
10 studies · 5633 participants
Moderate

Umbilical artery Doppler ultrasound vs no Doppler ultrasound

Neurodevelopmental outcomes · pregnant women at increased risk of fetal complications

1 finding from 1 review

Fetal and umbilical Doppler ultrasound in high‐risk pregnancies 2017 · Cochrane Headline outcomes only
no estimate extracted
0 studies · 0 participants
GRADE not reported