A study of 2,856 women found that those who reported: disliking breastfeeding, pain from breastfeeding, and who had more breastfeeding difficulties in the first two weeks were significantly more likely to suffer postpartum depression. University of North Carolina School of Medicine. (“Mothers with breastfeeding difficulties more likely to suffer postpartum depression, study finds.” ScienceDaily, 19 Jul. 2011. Web. 24 Mar. 2013.). http://www.sciencedaily.com/releases/2011/07/110719111538.htm