Adverse events ‐ Gestational diabetes · women with infertility and obesity
It is very uncertain whether preconception lifestyle advice on weight changes adverse events ‐ Gestational diabetes compared with routine care or attention control (very low certainty).
1 finding from 1 review
Miscarriage · women with infertility and obesity
It is very uncertain whether preconception lifestyle advice on weight changes miscarriage compared with routine care or attention control (very low certainty).
1 finding from 1 review
Reported behavioural changes in weight: BMI (measured "at study end" ‐ 3 months) · women with infertility and obesity
1 finding from 1 review
Reported behavioural changes in weight: percentage of weight loss (measured at 6 months) · women with infertility and obesity
1 finding from 1 review
Reported behavioural changes in diet: vegetable intake · women with infertility and obesity
1 finding from 1 review
Reported behavioural changes in diet: fruit intake · women with infertility and obesity
1 finding from 1 review
Reported behavioural changes in alcohol intake · women with infertility and obesity
1 finding from 1 review
Reported behavioural changes in physical activity · women with infertility and obesity
1 finding from 1 review
Live birth · women with infertility and obesity
It is very uncertain whether preconception lifestyle advice on weight changes live birth compared with routine care or attention control (very low certainty).
1 finding from 1 review
Live birth or ongoing pregnancy · smoking people with infertility
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Adverse events · smoking people with infertility
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Miscarriage · smoking people with infertility
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Reported behavioural changes in smoking (measured at 6 months): · smoking people with infertility
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Live birth · women with infertility and at‐risk drinking
It is very uncertain whether preconception lifestyle advice on alcohol intake changes live birth compared with routine care or attention control (very low certainty).
1 finding from 1 review
Adverse events · women with infertility and at‐risk drinking
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Miscarriage · women with infertility and at‐risk drinking
It is very uncertain whether preconception lifestyle advice on alcohol intake changes miscarriage compared with routine care or attention control (very low certainty).
1 finding from 1 review
Behavioural changes · women with infertility and at‐risk drinking
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Live birth · people with infertility
Preconception lifestyle advice on a combination of topics showed no clear difference in live birth compared with routine care or attention control (low certainty).
1 finding from 1 review
Adverse events · people with infertility
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Miscarriage · people with infertility
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found