Findings

What do systematic reviews say?

1 questions · 1 findings · 1 reviews

No studies found 0 · 0%GRADE not reported 0 · 0%Very low 0 · 0%Low 0 · 0%Moderate 0 · 0%High 1 · 100%

Gestational age (preterm birth < 37 weeks) · Pregnant women in unselected or low‐risk populations.

All routine Doppler ultrasound showed no clear difference in preterm birth (before 37 weeks) compared with no Doppler ultrasound (high certainty).

1 finding from 1 review

Fetal and umbilical Doppler ultrasound in normal pregnancy 2015 · Cochrane Headline outcomes only
RR 1.02 [0.86, 1.21]
4 studies · 12162 participants
High