Table 1. Year of publication, origin, sample size, and age of the participants of the selected studies on the fatty acid profile of breast milk with the supplementation of omega-3 sources, 2000–2015.

Authors	Pub year	Country	Sample (n)	Age (years)
Atalah et al5	2009	Chile	352 pregnant women	Intervention group 26.7 and control group 25.0 (average)
Bergmann et al38	2008	Germany	144 pregnant women	30.7 (average)
Boris et al27	2004	Denmark	44 pregnant/puerperal women	NI
Bortolozo et al2	2013	Brazil	80 pregnant/puerperal women	25.0 (average)
Dunstan et al20	2007	Australia	98 pregnant women	NI
Fidler et al17	2000	Germany	10 puerperal women	30.6 (average)
Francois et al36	2003	United States	9 puerperal women	28.0 to 39.0
Gaete and Atalah1	2003	Chile	26 puerperal women	26.9 (average)
Gaete, Atalah and Araya31	2002	Chile	28 puerperal women	Intervention group 25.6 and control group 26.4 (average)
van Goor et al39	2009	Netherlands	182 pregnant/puerperal women	32.4 (average)
Hawkes et al40	2001	Australia	120 puerperal women	30.2 (average)
Imhoff-Kunsch et al13	2011	Mexico	1,094 pregnant women	26.0 (average)
Jensen et al18	2000	United States	26 puerperal women	29.2 (average)
Marc et al32	2011	Canada	32 puerperal women	Intervention group 27.2 and control group 26.9 (average)
Olafsdottir et al41	2006	Iceland	77 puerperal women	31.0 (average)
Patin et al35	2006	Brazil	31 puerperal women	27.9 (average)
Ribeiro et al30	2012	Brazil	51 pregnant women	20.0 to 30.0
Sherry et al42	2015	United States	89 pregnant women	29.0 (average)
Smit et al37	2000	Israel	26 puerperal women	23.5 (average)
Smithers et al43	2010	Australia	121 puerperal women	30.0 (average)
Valentine et al44	2013	United States	21 puerperal women (donors)	31.0 (average)
Weseler et al45	2008	Netherlands	52 pregnant/puerperal women	31.7 (average)

Abbreviation: NI, Not informed.