The purpose behind this study is to measure and maybe increase the women that exclusively breastfeed at 3 months in Japan. The methods used to follow out this study was a set of questionnaires and obtaining salivary cortisol levels. The issue faced is that there are many benefits for mothers and babies that exclusively breastfeed for a longer period of time, in this case 3 months, by mothers not doing this can experience different postpartum experiences. Concluding their research, the results found showed that the factors including no plan to return to work, confidence interval, having a…