Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

45 questions · 47 findings · 5 reviews · Pregnancy and Childbirth

No studies found 11 · 23.4%GRADE not reported 1 · 2.1%Very low 15 · 31.9%Low 9 · 19.1%Moderate 11 · 23.4%High 0 · 0%

LMWH prophylaxis vs UFH

Symptomatic thromboembolic events ( · pregnant women at increased risk of VTE during pregnancy and the early postnatal period

It is very uncertain whether antenatal (± postnatal) prophylaxis: LMWH changes symptomatic thromboembolic events ( compared with UFH (very low certainty).

1 finding from 1 review

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

Computerised antenatal CTG vs traditional antenatal CTG (women at increased risk of complications)

Apgar score less than 7 at 5 minutes · Pregnant women with/without complications

It is very uncertain whether computerised antenatal CTG changes apgar less than 7 at 5 minutes compared with traditional antenatal CTG (women at increased risk of complications) (very low certainty).

1 finding from 1 review

Traditional antenatal CTG vs no antenatal CTG (women at increased risk of complication)

Apgar score less than 7 at 5 minutes · Pregnant women with/without complications

It is very uncertain whether traditional antenatal CTG changes apgar less than 7 at 5 minutes compared with no antenatal CTG (women at increased risk of complication) (very low certainty).

1 finding from 1 review

Traditional antenatal CTG vs no antenatal CTG (women at increased risk of complication)

Admission to neonatal special care unit or intensive care unit · Pregnant women with/without complications

Traditional antenatal CTG showed no clear difference in admission to neonatal special care unit or intensive care unit compared with no antenatal CTG (women at increased risk of complication) (low certainty).

1 finding from 1 review