Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

2,289 questions · 2,331 findings · 195 reviews · Pregnancy and Childbirth

No studies found 480 · 20.6%GRADE not reported 288 · 12.4%Very low 467 · 20%Low 630 · 27%Moderate 338 · 14.5%High 128 · 5.5%

Summary of findings table ‐ Moxibustion plus usual care vs sham moxibustion plus usual care

Non‐cephalic presentation at birth · breech presentation

Summary of findings table ‐ Moxibustion plus usual care probably leads to lower non‐cephalic presentation at birth compared with sham moxibustion plus usual care (moderate certainty).

1 finding from 1 review

Setting of BP measurement: self‐measurement vs conventional clinic measurement

Preterm birth less than 34 weeks' gestation · pregnant women with chronic or gestational hypertension

Setting of BP measurement: self‐measurement showed no clear difference in preterm birth (birth before 34 completed weeks' gestation) compared with conventional clinic measurement (low certainty).

1 finding from 1 review

Heparin plus aspirin vs aspirin

Preterm delivery of a live infant · women with persistent antiphospholipid antibodies and recurrent pregnancy loss

It is very uncertain whether heparin plus aspirin changes preterm delivery of a live infant compared with aspirin (very low certainty).

1 finding from 1 review

Additional support vs usual care

Satisfaction with pregnancy care Pregnancy care rated as "very helpful" · women at increased risk of low birthweight babies (maternal outcomes)

Additional support probably leads to higher satisfaction with pregnancy care Pregnancy care rated as "very… compared with usual care during pregnancy (moderate certainty).

1 finding from 1 review

Additional support vs usual care

Postnatal depression · women at increased risk of low birthweight babies (maternal outcomes)

Additional support showed no clear difference in postnatal depression Self‐reported compared with usual care during pregnancy (low certainty).

2 findings from 1 review

Intervention not reported

Preterm birth (before 37 weeks' gestation) · pregnant women considered to be at risk of developing pre‐eclampsia

The intervention leads to lower preterm birth (before 37 weeks' gestation) (high certainty).

1 finding from 1 review