Preterm birth · women with singleton pregnancies at risk of cervical insufficiency
Cervical pessary showed no clear difference in delivery before 37 weeks' gestation compared with vaginal progesterone (moderate certainty).
1 finding from 1 review
Stillbirth · Pregnant women (healthy and probable zinc deficiency)
Zinc supplementation showed no clear difference in stillbirth compared with no zinc (with or without placebo) (low certainty).
1 finding from 1 review
Neonatal mortality · Pregnant women (healthy and probable zinc deficiency)
It is very uncertain whether zinc supplementation changes neonatal death compared with no zinc (with or without placebo) (very low certainty).
1 finding from 1 review
Perinatal mortality · Pregnant women (healthy and probable zinc deficiency)
Zinc supplementation showed no clear difference in perinatal death compared with no zinc (with or without placebo) (low certainty).
1 finding from 1 review
Birthweight (g) · Pregnant women (healthy and probable zinc deficiency)
1 finding from 1 review
Small‐for‐gestational age or IUGR · Pregnant women (healthy and probable zinc deficiency)
Zinc supplementation showed no clear difference in small‐for‐gestational age or IUGR compared with no zinc (with or without placebo) (moderate certainty).
1 finding from 1 review
Low birthweight · Pregnant women (healthy and probable zinc deficiency)
Zinc supplementation showed no clear difference in low Birthweight (< 2500 g) compared with no zinc (with or without placebo) (moderate certainty).
1 finding from 1 review
Maternal death · pregnant women at increased risk of VTE during pregnancy and the early postnatal period
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Adverse effects sufficient to stop treatment · pregnant women at increased risk of VTE during pregnancy and the early postnatal period
It is very uncertain whether antenatal (± postnatal) prophylaxis: LMWH changes adverse effects sufficient to stop treatment compared with UFH (very low certainty).
1 finding from 1 review
Symptomatic thromboembolic events ( · pregnant women at increased risk of VTE during pregnancy and the early postnatal period
It is very uncertain whether antenatal (± postnatal) prophylaxis: heparin (LMWH or UFH) changes symptomatic thromboembolic events ( compared with no treatment/placebo (very low certainty).
1 finding from 1 review
Symptomatic PE · pregnant women at increased risk of VTE during pregnancy and the early postnatal period
It is very uncertain whether antenatal (± postnatal) prophylaxis: heparin (LMWH or UFH) changes symptomatic PE ( compared with no treatment/placebo (very low certainty).
1 finding from 1 review
Symptomatic DVT · pregnant women at increased risk of VTE during pregnancy and the early postnatal period
It is very uncertain whether antenatal (± postnatal) prophylaxis: heparin (LMWH or UFH) changes symptomatic DVT ( compared with no treatment/placebo (very low certainty).
1 finding from 1 review
Adverse effects sufficient to stop treatment · pregnant women at increased risk of VTE during pregnancy and the early postnatal period
It is very uncertain whether antenatal (± postnatal) prophylaxis: heparin (LMWH or UFH) changes adverse effects sufficient to stop treatment compared with no treatment/placebo (very low certainty).
1 finding from 1 review
Maternal death · pregnant women at increased risk of VTE during pregnancy and the early postnatal period
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Symptomatic thromboembolic events ( · pregnant women at increased risk of VTE during pregnancy and the early postnatal period
It is very uncertain whether antenatal (± postnatal) prophylaxis: LMWH changes symptomatic thromboembolic events ( compared with UFH (very low certainty).
1 finding from 1 review
Symptomatic PE · pregnant women at increased risk of VTE during pregnancy and the early postnatal period
1 finding from 1 review
Symptomatic DVT · pregnant women at increased risk of VTE during pregnancy and the early postnatal period
1 finding from 1 review
Maternal anaemia in third trimester (< 11 g/dL) · pregnant women in second trimester of pregnancy
Antihelminthics showed no clear difference in maternal anaemia in third trimester (< 11 g/dL) compared with control (low certainty).
1 finding from 1 review
Perinatal mortality · pregnant women in second trimester of pregnancy
Antihelminthics showed no clear difference in perinatal mortality compared with control (low certainty).
1 finding from 1 review
Nausea · preventing nausea and vomiting
It is very uncertain whether antihistamines changes nausea ‐ intraoperative compared with placebo (very low certainty).
2 findings from 1 review