A dose of vitamin D 4000 IU/d or more showed no clear difference in pre‐eclampsia compared with 3999 IU/d or less alone or with any other nutrient (low certainty).
A dose of vitamin D 4000 IU/d or more showed no clear difference in gestational diabetes compared with 3999 IU/d or less alone or with any other nutrient (low certainty).
A dose of vitamin D 4000 IU/d or more showed no clear difference in preterm birth compared with 3999 IU/d or less alone or with any other nutrient (low certainty).
A dose of vitamin D 4000 IU/d or more showed no clear difference in low birthweight compared with 3999 IU/d or less alone or with any other nutrient (low certainty).
Anticoagulation for three months or more leads to lower recurrence of DVT ( compared with anticoagulation (high certainty).
Anticoagulation for three months or more showed no clear difference in PE ( compared with anticoagulation (low certainty).
Anticoagulation for three months or more showed no clear difference in clinically relevant non‐major bleeding ( compared with anticoagulation (low certainty).
The review found no eligible studies for this question.
Anticoagulation for three months or more leads to lower recurrence of VTE ( compared with anticoagulation (high certainty).
Anticoagulation for three months or more showed no clear difference in major bleeding ( compared with anticoagulation (low certainty).
Late (seven days or more following birth) higher may leads to lower hyponatraemia (< 130 mmol/L) compared with lower sodium intake (low certainty).
It is very uncertain whether late (seven days or more following birth) higher changes hypernatraemia (≥ 150 mmol/L) compared with lower sodium intake (very low certainty).
Late (seven days or more following birth) higher may leads to lower postnatal growth failure (weight < 10th percentile) compared with lower sodium intake (low certainty).
It is very uncertain whether late (seven days or more following birth) higher changes necrotising enterocolitis compared with lower sodium intake (very low certainty).
It is very uncertain whether late (seven days or more following birth) higher changes chronic lung disease compared with lower sodium intake (very low certainty).
It is very uncertain whether late (seven days or more following birth) higher changes mortality (latest time reported up to hospital discharge) compared with lower sodium intake (very low certainty).