All diet and/or exercise interventions probably leads to higher low weight gain compared with standard/other care (moderate certainty).
All diet and/or exercise interventions showed no clear difference in preterm birth compared with standard/other care (moderate certainty).
All diet and/or exercise interventions showed no clear difference in pre‐eclampsia compared with standard/other care (high certainty).
All diet and/or exercise interventions showed no clear difference in caesarean delivery compared with standard/other care (high certainty).
All diet and/or exercise interventions showed no clear difference in macrosomia Infant birthweight > 4000 g compared with standard/other care (high certainty).
High feedback showed no clear difference in maternal anxiety ‐ throughout pregnancy compared with low feedback of routine prenatal ultrasound (low certainty).
High feedback may leads to higher cessation of alcohol compared with low feedback of routine prenatal ultrasound (low certainty).
High feedback may leads to higher cessation of smoking compared with low feedback of routine prenatal ultrasound (low certainty).
It is very uncertain whether high feedback changes women's views of level of feedback compared with low feedback of routine prenatal ultrasound (very low certainty).
Group antenatal care showed no clear difference in preterm birth (gestational age at time of birth less than 37 weeks'… compared with individual antenatal care (adjusted data) (moderate certainty).
Group antenatal care showed no clear difference in low birthweight (<2500 g) compared with individual antenatal care (adjusted data) (moderate certainty).
Group antenatal care showed no clear difference in perinatal mortality (stillbirth or neonatal death) compared with individual antenatal care (adjusted data) (low certainty).
Group antenatal care showed no clear difference in neonatal intensive care unit (NICU) admission (admission of baby to… compared with individual antenatal care (adjusted data) (moderate certainty).
Group antenatal care probably leads to higher satisfaction with antenatal care (possible values 81‐405,… compared with individual antenatal care (adjusted data) (moderate certainty).
Group antenatal care showed no clear difference in breastfeeding initiation compared with individual antenatal care (adjusted data) (moderate certainty).
Group antenatal care showed no clear difference in spontaneous vaginal birth compared with individual antenatal care (adjusted data) (high certainty).
Traditional antenatal CTG showed no clear difference in perinatal mortality compared with no antenatal CTG (women at increased risk of complication) (low certainty).
It is very uncertain whether computerised antenatal CTG changes apgar less than 7 at 5 minutes compared with traditional antenatal CTG (women at increased risk of complications) (very low certainty).
The review found no eligible studies for this question.
The review found no eligible studies for this question.