Wereportthefattyacidcompositionofmother'sownhumanmilkfromoneofthelargestUScohortsof
lactating mothersofpreterminfants.Milkfattyaciddatawereusedasaproxyforintakeatenrollmentin
infants (n¼150)whoreceivedhumanmilkwithapowderhumanmilkfortifier (HMF;Control)orliquid
HMF [LHMF;providedadditional12mgdocosahexaenoicacid(DHA),20mgarachidonicacid(ARA)/
100mLhumanmilk].Mothersprovidedmilksamples(n¼129)andreportedmaternalDHAconsump-
tion (n¼128).Infantbloodsamplesweredrawnatstudycompletion(StudyDay28).Humanmilkand
infant PPLfattyacidswereanalyzedusingcapillarycolumngaschromatography