Findings

What do systematic reviews say?

23 questions · 24 findings · 3 reviews

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No studies found 1 · 4.2%GRADE not reported 0 · 0%Very low 10 · 41.7%Low 4 · 16.7%Moderate 7 · 29.2%High 2 · 8.3%

Peripartum/postnatal prophylaxis (caesarean): heparin (LMWH or UFH) vs no treatment/placebo

Symptomatic PE · women giving birth by elective or emergency caesarean (elective only (1 trial), emergency or elective (4 trials))

It is very uncertain whether peripartum/postnatal prophylaxis (caesarean): heparin (LMWH or UFH) changes symptomatic PE (timing of assessment unclear, within 6 weeks… 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 1.1 [0.25, 4.87]
4 studies · 840 participants
Very low

Peripartum/postnatal prophylaxis (caesarean): heparin (LMWH or UFH) vs no treatment/placebo

Symptomatic DVT · women giving birth by elective or emergency caesarean (elective only (1 trial), emergency or elective (4 trials))

1 finding from 1 review

Venous thromboembolism prophylaxis for women at risk during pregnancy and the early postnatal period 2021 · Cochrane Headline outcomes only
no estimate extracted
5 studies · 1140 participants
Very low

Peripartum/postnatal prophylaxis (caesarean): heparin (LMWH or UFH) vs no treatment/placebo

Adverse effects sufficient to stop treatment · women giving birth by elective or emergency caesarean (elective only (1 trial), emergency or elective (4 trials))

1 finding from 1 review

Venous thromboembolism prophylaxis for women at risk during pregnancy and the early postnatal period 2021 · Cochrane Headline outcomes only
no estimate extracted
1 study · 140 participants
Very low