What do systematic reviews say?

Summary of findings table ‐ Vitamin B12 supplementation vs no supplementation or placebo

Summary of findings table ‐ Vitamin B12 supplementation showed no clear difference in low birthweight (< 2500 g) compared with placebo/no vitamin B12 supplementation (low certainty).

• Vitamin B12 supplementation during pregnancy for maternal and child health outcomes 2024 · Cochrane Headline outcomes only
  RR 1.5 [0.93, 2.43]
  2 studies · 334 participants
  Low

Summary of findings table ‐ Planned hospital birth vs Planned home birth

The review found no eligible studies for this question.

• Planned hospital birth compared with planned home birth for pregnant women at low risk of complications 2023 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Summary of findings table ‐ Planned hospital birth vs Planned home birth

The review found no eligible studies for this question.

• Planned hospital birth compared with planned home birth for pregnant women at low risk of complications 2023 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Summary of findings table ‐ Planned hospital birth vs Planned home birth

The review found no eligible studies for this question.

• Planned hospital birth compared with planned home birth for pregnant women at low risk of complications 2023 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Summary of findings table ‐ Planned hospital birth vs Planned home birth

The review found no eligible studies for this question.

• Planned hospital birth compared with planned home birth for pregnant women at low risk of complications 2023 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Summary of findings table ‐ Planned hospital birth vs Planned home birth

• Planned hospital birth compared with planned home birth for pregnant women at low risk of complications 2023 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 11 participants
  Very low

Summary of findings table ‐ Planned hospital birth vs Planned home birth

It is very uncertain whether summary of findings table ‐ Planned hospital birth changes baby not breastfed compared with planned home birth (very low certainty).

• Planned hospital birth compared with planned home birth for pregnant women at low risk of complications 2023 · Cochrane Headline outcomes only
  OR 1.84 [0.15, 23.38]
  1 study · 11 participants
  Very low

Summary of findings table ‐ Planned hospital birth vs Planned home birth

The review found no eligible studies for this question.

• Planned hospital birth compared with planned home birth for pregnant women at low risk of complications 2023 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found