Meconium
Slicky, tarry, greenish-black stool passed by the newborn infant within the first 48 h after birth. Failure !o pass meconium within 48 h of birth may indicate intestinal obstruction. Meconium is odorless and consists of mucus, epithelial debris and bile from the gastrointestinal tract before feeding. Meconium may be passed by the –fetus before birth if there- is fetal distress. Inhalation of meconium results pneumonitis with severe respiratory distress, and vigorous suction and resuscitation are indicated immediately after delivery before the first spontaneous breath.
changing stool
With the onset of feeding, the stools gradually change in colour and consistency They become softer, greenish in colour and mixed with mucus for a few days.
Breastfed stools
Breast-fed Mustard yellow or greenish-yellow in colour and baby's stools only a faint sweet of four. usually soft and semi-formed but are sometimes liquid. Frequency varies, but they are Often passed after or during each feed.