It is very uncertain whether preconception lifestyle advice on weight changes adverse events ‐ Hypertension compared with routine care or attention control (very low certainty).
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).
It is very uncertain whether preconception lifestyle advice on weight changes miscarriage compared with routine care or attention control (very low certainty).
It is very uncertain whether preconception lifestyle advice on weight changes live birth compared with routine care or attention control (very low certainty).
The findings closest to your search, judged one by one by TypeSafe's Jev model.