Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

2,061 questions · 2,151 findings · 116 reviews

No studies found 609 · 28.3%GRADE not reported 268 · 12.5%Very low 635 · 29.5%Low 491 · 22.8%Moderate 122 · 5.7%High 26 · 1.2%

Nicotine replacement therapy vs control

Biochemically validated smoking cessation at the latest point in pregnancy (20 weeks' gestation or more) · Pregnant women who smoke

Nicotine replacement therapy may leads to higher biochemically validated smoking cessation at the latest point in… compared with control (low certainty).

1 finding from 1 review

Bupropion vs control

Biochemically validated smoking cessation at the latest point in pregnancy (20 weeks' gestation or more) · Pregnant women who smoke

Bupropion showed no clear difference in biochemically validated smoking cessation at the latest point in… compared with control (low certainty).

1 finding from 1 review