Findings

What do systematic reviews say?

3 questions · 3 findings · 1 reviews · Tobacco Addiction

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No studies found 0 · 0%GRADE not reported 0 · 0%Very low 0 · 0%Low 3 · 100%Moderate 0 · 0%High 0 · 0%

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

Pharmacological interventions for promoting smoking cessation during pregnancy 2020 · Cochrane Headline outcomes only
RR 1.37 [1.08, 1.74]
9 studies · 2336 participants
Low

Nicotine replacement therapy vs control

Mean birthweight · Pregnant women who smoke

Nicotine replacement therapy showed no clear difference in mean birthweight (g) compared with control (low certainty).

1 finding from 1 review

Pharmacological interventions for promoting smoking cessation during pregnancy 2020 · Cochrane Headline outcomes only
MD 99.73
7 studies · 2202 participants
Low

Nicotine replacement therapy vs control

Miscarriage and spontaneous abortion · Pregnant women who smoke

Nicotine replacement therapy showed no clear difference in miscarriage and spontaneous abortion compared with control (low certainty).

1 finding from 1 review

Pharmacological interventions for promoting smoking cessation during pregnancy 2020 · Cochrane Headline outcomes only
RR 1.6 [0.53, 4.83]
5 studies · 1916 participants
Low