Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

234 questions · 236 findings · 33 reviews · Pregnancy and Childbirth

No studies found 20 · 8.5%GRADE not reported 12 · 5.1%Very low 63 · 26.7%Low 82 · 34.7%Moderate 40 · 16.9%High 19 · 8.1%

Planned early birth vs expectant management

Significant maternal morbidity one or more of the following: significant postpartum haemorrhage requiring blood transfusion; maternal admission to intensive care unit; uterine rupture; hysterectomy · pregnant women with a term suspected compromised baby

Planned early delivery showed no clear difference in significant maternal morbidity one or more of the following:… compared with expectant management (low certainty).

1 finding from 1 review

Planned early birth vs expectant management

Admission to neonatal intensive care unit · pregnant women with a term suspected compromised baby

It is very uncertain whether planned early delivery changes admission to NICU compared with expectant management (very low certainty).

1 finding from 1 review

Early initiation of epidural analgesia vs Late initiation

Caesarean section · pregnant women (at term) requesting epidural analgesia in labour (regardless of whether the labour was spontaneous or induced)

Early initiation of epidural analgesia showed no clear difference in caesarean section compared with late initiation (high certainty).

1 finding from 1 review

Early initiation of epidural analgesia vs Late initiation

Instrumental delivery · pregnant women (at term) requesting epidural analgesia in labour (regardless of whether the labour was spontaneous or induced)

Early initiation of epidural analgesia showed no clear difference in instrumental delivery compared with late initiation (high certainty).

1 finding from 1 review

Early initiation of epidural analgesia vs Late initiation

Apgar score less than 7 at 5 minutes · pregnant women (at term) requesting epidural analgesia in labour (regardless of whether the labour was spontaneous or induced)

Early initiation of epidural analgesia showed no clear difference in apgar score <7 at 5 min compared with late initiation (high certainty).

1 finding from 1 review

Early amniocentesis vs transabdominal chorionic villus sampling

All known pregnancy loss (including termination of pregnancy) · prenatal diagnosis

Early amniocentesis showed no clear difference in all known pregnancy loss (including termination of pregnancy) compared with transabdominal chorionic villus sampling (low certainty).

1 finding from 1 review

Chlorhexidine (vaginal wash or gel/cream) vs placebo or no treatment

Early onset GBS disease (sepsis and/or meningitis within the first seven days of life)) · women with vaginal or rectal colonization with GBS during labour and their preterm/term infants

It is very uncertain whether chlorhexidine (vaginal wash or gel/cream) changes early onset GBS disease (sepsis and/or meningitis within the first… compared with placebo or no treatment (very low certainty).

1 finding from 1 review

Summary of findings table ‐ Repeat dose(s) of prenatal corticosteroids vs single course

C1: Total deaths (after randomisation) up to early childhood · the child

Summary of findings table ‐ Repeat dose(s) of prenatal corticosteroids showed no clear difference in C1: Total deaths (after randomisation) up to early childhood compared with single course (moderate certainty).

1 finding from 1 review