Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

127 questions · 128 findings · 30 reviews · Pregnancy and Childbirth

No studies found 31 · 24.2%GRADE not reported 11 · 8.6%Very low 17 · 13.3%Low 43 · 33.6%Moderate 19 · 14.8%High 7 · 5.5%

Summary of findings: Energy‐restricted diet vs no energy‐restricted diet (maternal outcomes)

Large‐for‐gestational age · pregnant women with GDM

Summary of findings: Energy‐restricted diet showed no clear difference in large‐for‐gestational age compared with no energy‐restricted diet (neonatal/child/adulthood outcomes) (low certainty).

1 finding from 1 review

Summary of findings: Energy‐restricted diet vs no energy‐restricted diet (maternal outcomes)

Neonatal hypoglycaemia · pregnant women with GDM

It is very uncertain whether summary of findings: Energy‐restricted diet changes neonatal hypoglycaemia compared with no energy‐restricted diet (neonatal/child/adulthood outcomes) (very low certainty).

1 finding from 1 review

Physical breastfeeding support interventions (electric or manual breast pump) vs usual care (no pump)

Non‐initiation of breastfeeding · women with a pre‐pregnancy BMI > 29 kg/m², who were intending to breastfeed, had no history of breast surgery, who were at least 19 years…

The review found no eligible studies for this question.

1 finding from 1 review

Physical breastfeeding support interventions (electric or manual breast pump) vs usual care (no pump)

Exclusive breastfeeding at 4‐6 weeks · women with a pre‐pregnancy BMI > 29 kg/m², who were intending to breastfeed, had no history of breast surgery, who were at least 19 years…

It is very uncertain whether physical breastfeeding support interventions (electric or manual… changes exclusive breastfeeding at 4‐6 weeks compared with usual care (no pump) (very low certainty).

1 finding from 1 review

Physical breastfeeding support interventions (electric or manual breast pump) vs usual care (no pump)

Breastfeeding · women with a pre‐pregnancy BMI > 29 kg/m², who were intending to breastfeed, had no history of breast surgery, who were at least 19 years…

It is very uncertain whether physical breastfeeding support interventions (electric or manual… changes any breastfeeding at 4‐6 weeks compared with usual care (no pump) (very low certainty).

2 findings from 1 review

Physical breastfeeding support interventions (electric or manual breast pump) vs usual care (no pump)

Exclusive breastfeeding at 6 months · women with a pre‐pregnancy BMI > 29 kg/m², who were intending to breastfeed, had no history of breast surgery, who were at least 19 years…

The review found no eligible studies for this question.

1 finding from 1 review