It is very uncertain whether preconception lifestyle advice on weight changes live birth compared with routine care or attention control (very low certainty).
The review found no eligible studies for this question.
The review found no eligible studies for this question.
The review found no eligible studies for this question.
It is very uncertain whether preconception lifestyle advice on alcohol intake changes live birth compared with routine care or attention control (very low certainty).
The review found no eligible studies for this question.
It is very uncertain whether preconception lifestyle advice on alcohol intake changes miscarriage compared with routine care or attention control (very low certainty).
The review found no eligible studies for this question.
Preconception lifestyle advice on a combination of topics showed no clear difference in live birth compared with routine care or attention control (low certainty).
The review found no eligible studies for this question.
The review found no eligible studies for this question.
Preconception lifestyle advice on a combination of topics showed no clear difference in reported behavioural changes on vitamin or mineral supplement… compared with routine care or attention control (low certainty).
Preconception lifestyle advice on a combination of topics showed no clear difference in reported behavioural changes in alcohol intake (measured at 6 months) compared with routine care or attention control (low certainty).
Preconception lifestyle advice on a combination of topics showed no clear difference in reported behavioural changes in smoking (measured at 6 months): compared with routine care or attention control (low certainty).
Vasopressin showed no clear difference in blood loss (ml) Estimated blood loss during myomectomy compared with placebo to reduce blood loss during myomectomy (moderate certainty).
Vasopressin probably leads to lower need for blood transfusion Participants who received blood transfusion compared with placebo to reduce blood loss during myomectomy (moderate certainty).
Vasopressin showed no clear difference in duration of surgery Operative time compared with placebo to reduce blood loss during myomectomy (moderate certainty).