“…Direct breastfeeding has consistently been found to be more effective than comparator interventions, such as swaddling [ 71 , 73 ], maternal holding or SSC [ 74 , 75 , 76 , 77 , 78 ], topical anesthetics and cooling sprays [ 79 , 80 ], non-nutritive sucking [ 81 ], heel warming [ 82 ], music therapy [ 83 ], and placebo or no treatment [ 71 , 84 , 85 ]. Results are mixed when compared to sweet tasting solutions, however, direct breastfeeding has been found to be as or more effective [ 37 , 86 , 87 , 88 , 89 , 90 ]. Studies on the feeding of expressed breastmilk alone and without maternal contact report mixed results [ 72 ].…”