Table 1.

Summary of population, intervention, comparison, outcomes and study design (PICOS) criteria for the inclusion of interventions.

Selection Criteria	Inclusion Criteria
Participants	Pregnant or postpartum (up to 2 years after birth) women, with a BMI ≥ 25 kg/m2 and ≥18 years old
Intervention	Diet or diet and physical activity initiated during pregnancy, postpartum or both
Comparison	Standard care
Outcomes	Maternal postpartum weight or body composition data >3 months and <2 years after delivery
Studies	Randomised controlled trials