Cochrane Review Group
Pregnancy and Childbirth
252 systematic reviews in Pregnancy and Childbirth ask 3,601 questions. 20.2% have no studies to answer them, 23% rest on very low certainty evidence and 17.6% reach moderate or high certainty.
Reviews
252
Questions
3,601
current versions
No studies
20.2%
Moderate or high
17.6%
No studies 726 · 20.2%Ungraded 421 · 11.7%Very low 828 · 23%Low 993 · 27.6%Moderate 486 · 13.5%High 147 · 4.1%
Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.
Thinnest evidence
All no studies and very low questions| Question | Effect | Evidence | Status / GRADE |
|---|---|---|---|
Magnesium sulphate vs placebo (outcomes Major neurodevelopmental disability (school age)** · women at risk of preterm birth (< 34 weeks' gestation) Magnesium sulphate for women at risk of preterm birth for neuroprotection of the fetus (2024) · Cochrane | RR 0.92 [0.53, 1.62] | 2 studies · 940 participants | Very low |
Magnesium sulphate vs placebo (outcomes Breastfeeding at hospital discharge** · women at risk of preterm birth (< 34 weeks' gestation) Magnesium sulphate for women at risk of preterm birth for neuroprotection of the fetus (2024) · Cochrane | no estimate extracted | NR | No studies |
Magnesium sulphate vs placebo (outcomes Women’s views of treatment** · women at risk of preterm birth (< 34 weeks' gestation) Magnesium sulphate for women at risk of preterm birth for neuroprotection of the fetus (2024) · Cochrane | no estimate extracted | NR | No studies |
Summary of findings table ‐ Midwife continuity models vs other models of care Third or fourth degree tear · childbearing women and their infants (all) (important/secondary outcomes) Midwife continuity of care models versus other models of care for childbearing women (2024) · Cochrane | RR 1.1 [0.81, 1.49] | 7 studies · 9437 participants | Very low |
Summary of findings table ‐ Midwife continuity models vs other models of care Maternal readmission within 28 days · childbearing women and their infants (all) (important/secondary outcomes) Midwife continuity of care models versus other models of care for childbearing women (2024) · Cochrane | RR 1.52 [0.78, 2.96] | 1 study · 1195 participants | Very low |
Summary of findings table ‐ Midwife continuity models vs other models of care Attendance at birth by known midwife · childbearing women and their infants (all) (important/secondary outcomes) Midwife continuity of care models versus other models of care for childbearing women (2024) · Cochrane | RR 9.13 [5.87, 14.21] | 11 studies · 9273 participants | Very low |
Summary of findings table ‐ Midwife continuity models vs other models of care Apgar score less than or equal to 7 at 5 minutes · childbearing women and their infants (all) (important/secondary outcomes) Midwife continuity of care models versus other models of care for childbearing women (2024) · Cochrane | RR 0.95 [0.72, 1.24] | 13 studies · 12806 participants | Very low |
Summary of findings table ‐ Midwife continuity models vs other models of care Fetal loss before 24 weeks gestation · childbearing women and their infants (all) (important/secondary outcomes) Midwife continuity of care models versus other models of care for childbearing women (2024) · Cochrane | RR 0.82 [0.67, 1.01] | 12 studies · 15913 participants | Very low |
Summary of findings table ‐ Midwife continuity of care models vs other models of care Regional analgesia (epidural/spinal) · childbearing women and their infants (all) (critical outcomes) Midwife continuity of care models versus other models of care for childbearing women (2024) · Cochrane | RR 0.85 [0.79, 0.92] | 15 studies · 17754 participants | Very low |
Summary of findings table ‐ Midwife continuity of care models vs other models of care Fetal loss at or after 24 weeks gestation · childbearing women and their infants (all) (critical outcomes) Midwife continuity of care models versus other models of care for childbearing women (2024) · Cochrane | RR 1.24 [0.73, 2.13] | 12 studies · 16122 participants | Very low |
Summary of findings table ‐ Midwife continuity of care models vs other models of care Neonatal death (baby born alive at any gestation and dies within 28 days) · childbearing women and their infants (all) (critical outcomes) Midwife continuity of care models versus other models of care for childbearing women (2024) · Cochrane | RR 0.85 [0.43, 1.71] | 10 studies · 14718 participants | Very low |
Summary of findings table ‐ Vitamin B12 supplementation vs placebo/no vitamin B12 supplementation Maternal anaemia · pregnant women Vitamin B12 supplementation during pregnancy for maternal and child health outcomes (2024) · Cochrane | RR 1.08 [0.93, 1.26] | 2 studies · 284 participants | Very low |