Findings

What do systematic reviews say?

2 questions · 2 findings · 1 reviews

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No studies found 0 · 0%GRADE not reported 0 · 0%Very low 2 · 100%Low 0 · 0%Moderate 0 · 0%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

Venous thromboembolism prophylaxis for women at risk during pregnancy and the early postnatal period 2021 · Cochrane Headline outcomes only
RR 0.47 [0.09, 2.49]
4 studies · 404 participants
Very low

Heparin prophylaxis vs no treatment/placebo

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: heparin (LMWH or UFH) changes symptomatic thromboembolic events ( compared with no treatment/placebo (very low certainty).

1 finding from 1 review

Venous thromboembolism prophylaxis for women at risk during pregnancy and the early postnatal period 2021 · Cochrane Headline outcomes only
RR 0.39 [0.08, 1.98]
4 studies · 476 participants
Very low