Gap finder

Search review questions

Each row is one question a systematic review asked: who, what, compared with what, and which outcome, with the effect it found and how certain that is. Words match anywhere in the field.

Limit to evidence status or GRADE (optional)

726 questions in 98 reviews · Pregnancy and Childbirth

current versions
No studies 726 · 100%Ungraded 0 · 0%Very low 0 · 0%Low 0 · 0%Moderate 0 · 0%High 0 · 0%

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.

QuestionEffectEvidenceStatus / GRADE
Exercise vs control
Postnatal depression ‐ not measured · pregnant women with gestational diabetes
Exercise for pregnant women with gestational diabetes for improving maternal and fetal outcomes (2017) · Cochrane
no estimate extractedNRNo studies
Exercise vs control
Large‐for‐gestational age ‐ not reported · pregnant women with gestational diabetes
Exercise for pregnant women with gestational diabetes for improving maternal and fetal outcomes (2017) · Cochrane
no estimate extractedNRNo studies
Healthcare professional‐led breastfeeding education and support vs standard care
Early initiation of breastfeeding · women exposed to interventions intended to promote breastfeeding
Interventions for promoting the initiation of breastfeeding (2016) · Cochrane
no estimate extractedNRNo studies
Multivitamin plus iron plus folate vs iron plus folate
Any adverse effects · pregnant women
Vitamin supplementation for preventing miscarriage (2016) · Cochrane
no estimate extractedNRNo studies
Vitamin A plus iron plus folate vs iron plus folate
Any adverse effects · pregnant women
Vitamin supplementation for preventing miscarriage (2016) · Cochrane
no estimate extractedNRNo studies
CSII vs MDI: infant outcomes
Adiposity (infant) · infants of pregnant women with diabetes
Continuous subcutaneous insulin infusion versus multiple daily injections of insulin for pregnant women with… (2016) · Cochrane
no estimate extractedNRNo studies
CSII vs MDI: infant outcomes
Neurosensory disability · infants of pregnant women with diabetes
Continuous subcutaneous insulin infusion versus multiple daily injections of insulin for pregnant women with… (2016) · Cochrane
no estimate extractedNRNo studies
CSII vs MDI: infant outcomes
Large‐for‐gestational age · infants of pregnant women with diabetes
Continuous subcutaneous insulin infusion versus multiple daily injections of insulin for pregnant women with… (2016) · Cochrane
no estimate extractedNRNo studies
CSII vs MDI: infant outcomes
Neonatal hypoglycaemia · infants of pregnant women with diabetes
Continuous subcutaneous insulin infusion versus multiple daily injections of insulin for pregnant women with… (2016) · Cochrane
no estimate extractedNRNo studies
Non‐exclusive breastfeeding (water or glucose water) vs exclusive breastfeeding
Confidence in breastfeeding (maternal or of those influencing the mother) · healthy breastfeeding full‐term infants
Early additional food and fluids for healthy breastfed full‐term infants (2016) · Cochrane
no estimate extractedNRNo studies
Non‐exclusive breastfeeding (foods) vs exclusive breastfeeding
Duration of breastfeeding (at different time points) · healthy breastfeeding full‐term infants
Early additional food and fluids for healthy breastfed full‐term infants (2016) · Cochrane
no estimate extractedNRNo studies
Non‐exclusive breastfeeding (foods) vs exclusive breastfeeding
Confidence in breastfeeding (maternal or of those influencing the mother) · healthy breastfeeding full‐term infants
Early additional food and fluids for healthy breastfed full‐term infants (2016) · Cochrane
no estimate extractedNRNo studies
Non‐exclusive breastfeeding (artificial milk) vs exclusive breastfeeding
Weight change · healthy breastfeeding full‐term infants
Early additional food and fluids for healthy breastfed full‐term infants (2016) · Cochrane
no estimate extractedNRNo studies
Comparison between rooming‐in vs separate care
Duration of any breastfeeding · 176 healthy mother‐infant dyads after normal spontaneous vaginal delivery (rooming‐in: 132, separate care: 44)
Rooming‐in for new mother and infant versus separate care for increasing the duration of breastfeeding (2016) · Cochrane
no estimate extractedNRNo studies
Comparison between rooming‐in vs separate care
Proportion of women exclusive breastfeeding at 6 months · 176 healthy mother‐infant dyads after normal spontaneous vaginal delivery (rooming‐in: 132, separate care: 44)
Rooming‐in for new mother and infant versus separate care for increasing the duration of breastfeeding (2016) · Cochrane
no estimate extractedNRNo studies
Comparison between rooming‐in vs separate care
Maternal level of confidence in breastfeeding · 176 healthy mother‐infant dyads after normal spontaneous vaginal delivery (rooming‐in: 132, separate care: 44)
Rooming‐in for new mother and infant versus separate care for increasing the duration of breastfeeding (2016) · Cochrane
no estimate extractedNRNo studies
Comparison between rooming‐in vs separate care
Neonatal infection · 176 healthy mother‐infant dyads after normal spontaneous vaginal delivery (rooming‐in: 132, separate care: 44)
Rooming‐in for new mother and infant versus separate care for increasing the duration of breastfeeding (2016) · Cochrane
no estimate extractedNRNo studies
Restriction of pacifier use vs no restriction
Duration of full or exclusive breastfeeding · healthy full‐term newborns whose mothers have initiated breastfeeding and intend to exclusively breastfeed
Effect of restricted pacifier use in breastfeeding term infants for increasing duration of breastfeeding (2016) · Cochrane
no estimate extractedNRNo studies
Restriction of pacifier use vs no restriction
Breastfeeding difficulties · healthy full‐term newborns whose mothers have initiated breastfeeding and intend to exclusively breastfeed
Effect of restricted pacifier use in breastfeeding term infants for increasing duration of breastfeeding (2016) · Cochrane
no estimate extractedNRNo studies
Restriction of pacifier use vs no restriction
Maternal satisfaction and level of confidence in parenting · healthy full‐term newborns whose mothers have initiated breastfeeding and intend to exclusively breastfeed
Effect of restricted pacifier use in breastfeeding term infants for increasing duration of breastfeeding (2016) · Cochrane
no estimate extractedNRNo studies
Restriction of pacifier use vs no restriction
Infant otitis media · healthy full‐term newborns whose mothers have initiated breastfeeding and intend to exclusively breastfeed
Effect of restricted pacifier use in breastfeeding term infants for increasing duration of breastfeeding (2016) · Cochrane
no estimate extractedNRNo studies
Restriction of pacifier use vs no restriction
Infant dental malocclusion · healthy full‐term newborns whose mothers have initiated breastfeeding and intend to exclusively breastfeed
Effect of restricted pacifier use in breastfeeding term infants for increasing duration of breastfeeding (2016) · Cochrane
no estimate extractedNRNo studies
Very tight vs tight‐moderate glycaemic control (maternal outcomes)
Pre‐eclampsia · pregnant women with pre‐existing type 1 diabetes
Different intensities of glycaemic control for pregnant women with pre‐existing diabetes (2016) · Cochrane
no estimate extractedNRNo studies
Very tight vs tight‐moderate glycaemic control (infant outcomes)
Neonatal hypoglycaemia · pregnant women with pre‐existing type 1 diabetes
Different intensities of glycaemic control for pregnant women with pre‐existing diabetes (2016) · Cochrane
no estimate extractedNRNo studies
Very tight vs tight‐moderate glycaemic control (infant outcomes)
Childhood/adulthood adiposity · pregnant women with pre‐existing type 1 diabetes
Different intensities of glycaemic control for pregnant women with pre‐existing diabetes (2016) · Cochrane
no estimate extractedNRNo studies
Very tight vs tight‐moderate glycaemic control (infant outcomes)
Childhood/adulthood diabetes · pregnant women with pre‐existing type 1 diabetes
Different intensities of glycaemic control for pregnant women with pre‐existing diabetes (2016) · Cochrane
no estimate extractedNRNo studies
Very tight vs tight‐moderate glycaemic control (infant outcomes)
Childhood/adulthood neurosensory disability · pregnant women with pre‐existing type 1 diabetes
Different intensities of glycaemic control for pregnant women with pre‐existing diabetes (2016) · Cochrane
no estimate extractedNRNo studies
Tight vs moderate glycaemic control (maternal outcomes)
Perineal trauma · pregnant women with pre‐existing type 1 diabetes
Different intensities of glycaemic control for pregnant women with pre‐existing diabetes (2016) · Cochrane
no estimate extractedNRNo studies
Tight vs moderate glycaemic control (maternal outcomes)
Gestational weight gain · pregnant women with pre‐existing type 1 diabetes
Different intensities of glycaemic control for pregnant women with pre‐existing diabetes (2016) · Cochrane
no estimate extractedNRNo studies
Tight vs moderate glycaemic control (maternal outcomes)
Postnatal depression · pregnant women with pre‐existing type 1 diabetes
Different intensities of glycaemic control for pregnant women with pre‐existing diabetes (2016) · Cochrane
no estimate extractedNRNo studies
Tight vs moderate glycaemic control (maternal outcomes)
Induction of labour · pregnant women with pre‐existing type 1 diabetes
Different intensities of glycaemic control for pregnant women with pre‐existing diabetes (2016) · Cochrane
no estimate extractedNRNo studies
Tight vs moderate glycaemic control (maternal outcomes)
Later development of cardiovascular disease · pregnant women with pre‐existing type 1 diabetes
Different intensities of glycaemic control for pregnant women with pre‐existing diabetes (2016) · Cochrane
no estimate extractedNRNo studies
Tight vs moderate glycaemic control (infant outcomes)
Serious perinatal morbidity · pregnant women with pre‐existing type 1 diabetes
Different intensities of glycaemic control for pregnant women with pre‐existing diabetes (2016) · Cochrane
no estimate extractedNRNo studies
Tight vs moderate glycaemic control (infant outcomes)
Neonatal hypoglycaemia · pregnant women with pre‐existing type 1 diabetes
Different intensities of glycaemic control for pregnant women with pre‐existing diabetes (2016) · Cochrane
no estimate extractedNRNo studies
Tight vs moderate glycaemic control (infant outcomes)
Childhood/adulthood adiposity · pregnant women with pre‐existing type 1 diabetes
Different intensities of glycaemic control for pregnant women with pre‐existing diabetes (2016) · Cochrane
no estimate extractedNRNo studies
Tight vs moderate glycaemic control (infant outcomes)
Childhood/adulthood diabetes · pregnant women with pre‐existing type 1 diabetes
Different intensities of glycaemic control for pregnant women with pre‐existing diabetes (2016) · Cochrane
no estimate extractedNRNo studies
Tight vs moderate glycaemic control (infant outcomes)
Childhood/adulthood neurosensory disability · pregnant women with pre‐existing type 1 diabetes
Different intensities of glycaemic control for pregnant women with pre‐existing diabetes (2016) · Cochrane
no estimate extractedNRNo studies
Very tight vs tight‐moderate glycaemic control (maternal outcomes)
Perineal trauma · pregnant women with pre‐existing type 1 diabetes
Different intensities of glycaemic control for pregnant women with pre‐existing diabetes (2016) · Cochrane
no estimate extractedNRNo studies
Tight‐moderate vs loose glycaemic control (maternal outcomes)
Perineal trauma · pregnant women with pre‐existing type 1 diabetes
Different intensities of glycaemic control for pregnant women with pre‐existing diabetes (2016) · Cochrane
no estimate extractedNRNo studies
Tight‐moderate vs loose glycaemic control (maternal outcomes)
Gestational weight gain · pregnant women with pre‐existing type 1 diabetes
Different intensities of glycaemic control for pregnant women with pre‐existing diabetes (2016) · Cochrane
no estimate extractedNRNo studies
Tight‐moderate vs loose glycaemic control (maternal outcomes)
Postnatal depression · pregnant women with pre‐existing type 1 diabetes
Different intensities of glycaemic control for pregnant women with pre‐existing diabetes (2016) · Cochrane
no estimate extractedNRNo studies
Tight‐moderate vs loose glycaemic control (maternal outcomes)
Induction of labour · pregnant women with pre‐existing type 1 diabetes
Different intensities of glycaemic control for pregnant women with pre‐existing diabetes (2016) · Cochrane
no estimate extractedNRNo studies
Tight‐moderate vs loose glycaemic control (maternal outcomes)
Later development of cardiovascular disease · pregnant women with pre‐existing type 1 diabetes
Different intensities of glycaemic control for pregnant women with pre‐existing diabetes (2016) · Cochrane
no estimate extractedNRNo studies
Tight‐moderate vs loose glycaemic control (infant outcomes)
Serious perinatal morbidity · pregnant women with pre‐existing type 1 diabetes
Different intensities of glycaemic control for pregnant women with pre‐existing diabetes (2016) · Cochrane
no estimate extractedNRNo studies
Tight‐moderate vs loose glycaemic control (infant outcomes)
Neonatal hypoglycaemia · pregnant women with pre‐existing type 1 diabetes
Different intensities of glycaemic control for pregnant women with pre‐existing diabetes (2016) · Cochrane
no estimate extractedNRNo studies
Tight‐moderate vs loose glycaemic control (infant outcomes)
Childhood/adulthood adiposity · pregnant women with pre‐existing type 1 diabetes
Different intensities of glycaemic control for pregnant women with pre‐existing diabetes (2016) · Cochrane
no estimate extractedNRNo studies
Tight‐moderate vs loose glycaemic control (infant outcomes)
Childhood/adulthood diabetes · pregnant women with pre‐existing type 1 diabetes
Different intensities of glycaemic control for pregnant women with pre‐existing diabetes (2016) · Cochrane
no estimate extractedNRNo studies
Tight‐moderate vs loose glycaemic control (infant outcomes)
Childhood/adulthood neurosensory disability · pregnant women with pre‐existing type 1 diabetes
Different intensities of glycaemic control for pregnant women with pre‐existing diabetes (2016) · Cochrane
no estimate extractedNRNo studies
Very tight vs tight‐moderate glycaemic control (maternal outcomes)
Postnatal depression · pregnant women with pre‐existing type 1 diabetes
Different intensities of glycaemic control for pregnant women with pre‐existing diabetes (2016) · Cochrane
no estimate extractedNRNo studies
Very tight vs tight‐moderate glycaemic control (maternal outcomes)
Induction of labour · pregnant women with pre‐existing type 1 diabetes
Different intensities of glycaemic control for pregnant women with pre‐existing diabetes (2016) · Cochrane
no estimate extractedNRNo studies