Findings

What do systematic reviews say?

Refine by population, intervention, comparison or outcome
More filters
Evidence found and GRADE certainty

1,062 questions · 1,113 findings · 171 reviews · Headline outcomes only

No studies found 161 · 14.5%GRADE not reported 41 · 3.7%Very low 269 · 24.2%Low 321 · 28.8%Moderate 252 · 22.6%High 69 · 6.2%

Repeated single embryo transfer (mixed policies) vs multiple embryo transfer

Miscarriage · transfer following in vitro fertilisation or intracytoplasmic sperm injection

Repeated single embryo transfer (mixed policies) showed no clear difference in miscarriage rate compared with multiple embryo transfer (low certainty).

1 finding from 1 review

Summary of findings: lipid‐based nutrient supplements (LNS) vs multiple micronutrients (MMN)

Low birth weight (< 2.5 kg) · pregnant women

Summary of findings: lipid‐based nutrient supplements (LNS) showed no clear difference in low birth weight (< 2500 g) compared with multiple micronutrients (MMN) (moderate certainty).

1 finding from 1 review

Summary of findings: lipid‐based nutrient supplements (LNS) vs multiple micronutrients (MMN)

Small‐for‐gestational age · pregnant women

Summary of findings: lipid‐based nutrient supplements (LNS) showed no clear difference in small‐for‐gestational age compared with multiple micronutrients (MMN) (moderate certainty).

1 finding from 1 review

Summary of findings: lipid‐based nutrient supplements (LNS) vs multiple micronutrients (MMN)

Preterm birth · pregnant women

Summary of findings: lipid‐based nutrient supplements (LNS) showed no clear difference in preterm births (births before 37 weeks of gestation) compared with multiple micronutrients (MMN) (moderate certainty).

1 finding from 1 review

Summary of findings: lipid‐based nutrient supplements (LNS) vs multiple micronutrients (MMN)

Maternal anaemia at term or near term (haemoglobin (Hb) less than 110 g/L) · pregnant women

Summary of findings: lipid‐based nutrient supplements (LNS) probably leads to higher maternal anaemia at term or near term (haemoglobin (Hb) less than… compared with multiple micronutrients (MMN) (moderate certainty).

1 finding from 1 review