However, the resulting proportions represent a substantial
exaggeration if assumed to represent how many babies
are exclusively breastfed for the entire recommended sixmonth
period. Several researchers have commented on
this problem, as summarized by Agampodi et al. [7] and
as discussed cogently by Hector [8] and by Noel-Weiss
et al. [9]. The implications of the use of different breastfeeding
definitions in studying infant growth were explored
by Piwoz et al. [10]. In 2010 , WHO and others issued part
2 of a document on indicators for assessing infant and
young child feeding which advised researchers to report on
the proportion exclusively breastfeeding in smaller age
groups if sample sizes allowed