Immediate VS Delayed Cord Clamping on Newborns

"1. for normal birth(apgar score over 7),include:term ,preterm,normal birth or cesarean section : experimental group1: waiting until the ceased of the umbilical cord pulsing, then cut the cord.before cutting the cord, the baby is keeping warm and put over mother's abdomen.~ control group 1-1: clamping and cut the cord within 10 second after birth. control group1-2: clamping and cut the cord 90 second after birth.~2. for in case of asphyxia(regardless term or preterm,normal birth or cesarean section born):~experimental group2: resuscitate on bed site with the cord unclamped until the umbilical cord ceased pulsing.~control group 2-1 clamping and cut the cord within 10 second. and resuscitate the baby after transfer to the Irradiation table."