What do systematic reviews say?

Intermittent ausculation of fetal heart rate in labour for fetal well‐being ‐ Intensive Pinard vs routine Pinard (outcomes

It is very uncertain whether intermittent ausculation of fetal heart rate in labour for fetal… changes perinatal mortality compared with routine Pinard (outcomes (very low certainty).

• Intermittent auscultation (IA) of fetal heart rate in labour for fetal well‐being 2017 · Cochrane Headline outcomes only
  RR 0.56 [0.19, 1.67]
  1 study · 625 participants
  Very low

Intensity of glycaemic control for women with gestational diabetes mellitus ‐ strict glycaemic targets vs less‐tight glycaemic targets (child (as neonate, child, adult) outcomes)

• Different intensities of glycaemic control for women with gestational diabetes mellitus 2023 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 1499 participants
  Low

Setting of BP measurement: self‐measurement vs conventional clinic measurement

The review found no eligible studies for this question.

• Setting and techniques for monitoring blood pressure during pregnancy 2020 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Technique of BP measurement: Korotkoff phase IV vs Korotkoff phase V to represent diastolic BP

Technique of BP measurement: Korotkoff phase IV showed no clear difference in perinatal mortality compared with korotkoff phase V to represent diastolic BP (low certainty).

• Setting and techniques for monitoring blood pressure during pregnancy 2020 · Cochrane Headline outcomes only
  RR 1.14 [0.16, 7.92]
  1 study · 220 participants
  Low

Tight vs moderate glycaemic control (infant outcomes)

• Different intensities of glycaemic control for pregnant women with pre‐existing diabetes 2016 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 45 participants
  Very low

Tight‐moderate vs loose glycaemic control (infant outcomes)

It is very uncertain whether tight‐moderate changes perinatal mortality compared with loose glycaemic control (infant outcomes) (very low certainty).

• Different intensities of glycaemic control for pregnant women with pre‐existing diabetes 2016 · Cochrane Headline outcomes only
  RR 0.07 [0, 1.37]
  1 study · 60 participants
  Very low

Very tight vs tight‐moderate glycaemic control (infant outcomes)

• Different intensities of glycaemic control for pregnant women with pre‐existing diabetes 2016 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 22 participants
  Low

Periodontal treatment (scaling and root planing, alone or with antimicrobials) vs Alternative (less intensive) periodontal treatment, alone or with placebo

It is very uncertain whether periodontal treatment (scaling and root planing, alone or with… changes perinatal mortality (including fetal and neonatal deaths up to the… compared with alternative (less intensive) periodontal treatment, alone or with… (very low certainty).

• Treating periodontal disease for preventing adverse birth outcomes in pregnant women 2017 · Cochrane All outcomes
  RR 1.06 [0.60, 1.85]
  2 studies · 855 participants
  Very low