Martin‐Alvarez 2012.

Methods	RCT
Participants	60 women Inclusion criteria: not reported Exclusion criteria: not reported Setting: Virgen de las Nieves Hospital, Granada, Spain
Interventions	SUPPLEMENTATION + FOOD: DHA versus placebo (in the form of a dairy product) Group 1: dairy product (2 glasses a day) supplemented with DHA (400 mg/day): total number randomised: n = 30 Group 2: dairy product (2 glasses a day) with no DHA supplement: total number randomised: n = 30 Timing of supplementation: from 28 weeks' gestation to when breastfeeding stopped DHA + EPA dose/day: low: 400 mg DHA
Outcomes	Women: plasma antioxidant capacity; adipokines Babies/infants/children: antioxidant capacity (umbilical cord; newborn); peroxides; superoxide dismutase activity; adipokines (birth; 2.5 months)
Notes	Abstracts only available No outcomes could be included in this review Funding: not reported Declarations of interest: not reported
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Unclear risk	Not reported
Allocation concealment (selection bias)	Unclear risk	Not reported
Blinding of participants and personnel (performance bias) All outcomes	Unclear risk	Quote: "double‐blind"; not further described
Blinding of outcome assessment (detection bias) All outcomes	Unclear risk	Not reported
Incomplete outcome data (attrition bias) All outcomes	Unclear risk	Not reported
Selective reporting (reporting bias)	Unclear risk	Insufficient detail
Other bias	Unclear risk	Insufficient detail