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1.Blood volume: immediately after birth averages about 300ml. (75mL additional blood from umbilical cord â if itâs still attached) But the fluid is lost into the neonateâs tissue spaces again - 300mL maintained. 2.Cardiac Output: in average 500ml/min.
Usually, a baby has her or his first bowel movement (meconium) after birth. Sometimes, however, a baby has a bowel movement before or during birth. If this happens, the amniotic fluid released when the mother's bag of water breaks will have a greenish tint. Up to one in every five babies born after 34 weeks' gestation has meconium in the amniotic fluid. Most of the time, this is not a problem. However, if the baby is not getting enough oxygen before or during birth, she or he may take a breath and inhale some meconium. The meconium can irritate the baby's lungs and cause lung problems that are usually temporary and mild, but can be severe.