A further Cochrane review on "Early skin-to-skin contact for mothers and their healthy babies", updated in 2015, provides clinical support for the scientific rationale but looks at evidence for early skin-to-skin contact for healthy babies [REF].
A randomized controlled trial published in 2004 reports that babies born between 1200 and 2200g became physiologically stable in skin-to-skin contact starting from birth, compared to similar babies in incubators [REF].