1. For an excellent discussion of baby development see “How the Brain and Mind Develop in the First Five Years of Life” written by Lisa Eliot, Ph.D (Bantam Books, 2000).
2. See Shana M. Christtrup, “Breastfeeding in the American Workplace” Journal of Gender, Social Policy and the Law [Vol 9:3] at “http://www.wcl.american.edu/journal/genderlaw/09/9-3christrup.pdf?rd=1
3.Studies show that “nipple confusion” — difficulty switching from one form or feeding to another is most prominent when an infant is about 3 months old.