Intervention not reported
Maternal serious adverse events · pregnant women
The intervention showed no clear difference in maternal serious adverse events (low certainty).
1 finding from 1 review
- RR 1.04 [0.4, 2.72]2 studies · 2690 participantsLow
Findings
What do systematic reviews say?
254 questions · 269 findings · 31 reviews
No studies found 34 · 12.6%GRADE not reported 3 · 1.1%Very low 70 · 26%Low 93 · 34.6%Moderate 44 · 16.4%High 25 · 9.3%
Intervention not reported
Maternal admission to intensive care · pregnant women
The intervention showed no clear difference in maternal admission to intensive care (low certainty).
1 finding from 1 review
- RR 0.56 [0.12, 2.63]2 studies · 2458 participantsLow
Intervention not reported
Postnatal depression · pregnant women
The intervention showed no clear difference in postnatal depression (low certainty).
1 finding from 1 review
- RR 0.99 [0.56, 1.77]2 studies · 2431 participantsLow
Intervention not reported
Cognition: BSID II score at < 24 months · children of women randomised to omega‐3 or no omega‐3 during pregnancy
The intervention showed no clear difference in cognition: BSID II score at < 24 months (low certainty).
1 finding from 1 review
- no estimate extracted4 studies · 1154 participantsLow
Intervention not reported
Cognition: BSID III score at < 24 months · children of women randomised to omega‐3 or no omega‐3 during pregnancy
The intervention showed no clear difference in cognition: BSID III score at < 24 months (low certainty).
1 finding from 1 review
- MD 0.042 studies · 809 participantsLow
Intervention not reported
IQ: WASI at 7 years · children of women randomised to omega‐3 or no omega‐3 during pregnancy
The intervention showed no clear difference in IQ: WASI at 7 years (low certainty).
1 finding from 1 review
- MD 11 study · 543 participantsLow
Intervention not reported
IQ: WISC‐IV at 12 years · children of women randomised to omega‐3 or no omega‐3 during pregnancy
It is very uncertain whether the intervention changes IQ: WISC‐IV at 12 years (very low certainty).
1 finding from 1 review
- MD 11 study · 50 participantsVery low
Intervention not reported
Behaviour: BSID III adaptive behaviour score at 12‐18 months · children of women randomised to omega‐3 or no omega‐3 during pregnancy
The intervention showed no clear difference in behaviour: BSID III adaptive behaviour score at 12‐18 months (low certainty).
1 finding from 1 review
- no estimate extracted2 studies · 809 participantsLow
Intervention not reported
Early preterm birth < 34 weeks · pregnant women and their babies
The intervention leads to lower early preterm birth < 34 weeks (high certainty).
1 finding from 1 review
- RR 0.58 [0.44, 0.77]9 studies · 5204 participantsHigh
Intervention not reported
Behaviour: SDQ Total Difficulties at 7 years · children of women randomised to omega‐3 or no omega‐3 during pregnancy
The intervention may leads to higher behaviour: SDQ Total Difficulties at 7 years (low certainty).
1 finding from 1 review
- MD 1.08 [0.18, 1.98]1 study · 543 participantsLow
Intervention not reported
BMI at 19 years · children of women randomised to omega‐3 or no omega‐3 during pregnancy
It is very uncertain whether the intervention changes BMI at 19 years (very low certainty).
1 finding from 1 review
- MD 01 study · 243 participantsVery low
Intervention not reported
Diabetes · children of women randomised to omega‐3 or no omega‐3 during pregnancy
The review found no eligible studies for this question.
1 finding from 1 review
- no estimate extractedStudies not reportedNo studies found
Intervention not reported
Maternal hospital admission (antenatal) · pregnant women and their infants
The intervention showed no clear difference in maternal hospital admission (antenatal) (low certainty).
1 finding from 1 review
- RR 0.92 [0.81, 1.04]5 studies · 2876 participantsLow
Intervention not reported
Infant admission to neonatal care · pregnant women and their infants
The intervention showed no clear difference in infant admission to neonatal care (moderate certainty).
1 finding from 1 review
- RR 0.92 [0.83, 1.03]9 studies · 6920 participantsModerate
Intervention not reported
Maternal length of hospital stay (days) · pregnant women and their infants
The intervention showed no clear difference in maternal length of hospital stay (days) (low certainty).
1 finding from 1 review
- MD 0.182 studies · 2290 participantsLow
Intervention not reported
Infant length of hospital stay (days) · pregnant women and their infants
The intervention showed no clear difference in infant length of hospital stay (days) (low certainty).
1 finding from 1 review
- MD 0.111 study · 2041 participantsLow
Intervention not reported
Costs · pregnant women and their infants
The review found no eligible studies for this question.
1 finding from 1 review
- no estimate extractedStudies not reportedNo studies found
Intervention not reported
Perinatal death · pregnant women and their babies
The intervention showed no clear difference in perinatal death (moderate certainty).
1 finding from 1 review
- RR 0.75 [0.54, 1.03]10 studies · 7416 participantsModerate
Intervention not reported
SGA/IUGR · pregnant women and their babies
The intervention showed no clear difference in SGA/IUGR (moderate certainty).
1 finding from 1 review
- RR 1.01 [0.9, 1.13]8 studies · 6907 participantsModerate
Intervention not reported
LBW · pregnant women and their babies
The intervention leads to lower LBW (high certainty).
1 finding from 1 review
- RR 0.9 [0.82, 0.99]15 studies · 8449 participantsHigh