Trans fatty acids in human milk in Poland and their association with breastfeeding mothers' diets.

Aim: To determine the content of trans fatty acids in human milk in relation to breastfeeding mothers' diet.

Methods: Samples of milk were collected from 100 breastfeeding mothers and 7-d dietary records and anthropometry from 69 mothers were obtained.

Results: The following total trans fatty acids contents (median (lower-upper quartile); % wt/wt) in milk samples were determined: 1) data for Spring: colostrum--1.