Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

2 questions · 2 findings · 1 reviews · Pregnancy and Childbirth

No studies found 0 · 0%GRADE not reported 0 · 0%Very low 1 · 50%Low 1 · 50%Moderate 0 · 0%High 0 · 0%

Intervention not reported

Any preterm birth (birth < 37 weeks) · women with a previous stillbirth of > 20 weeks' gestation who are pregnant or considering a subsequent pregnancy

It is very uncertain whether the intervention changes any preterm birth (birth < 37 weeks) (very low certainty).

1 finding from 1 review

Intervention not reported

Any preterm birth (birth < 37 weeks) · women with a previous stillbirth of ≥ 20 weeks' gestation who are pregnant or considering a subsequent pregnancy

The intervention showed no clear difference in any preterm birth (birth < 37 weeks) (low certainty).

1 finding from 1 review