Infants 1) Preterm Baby and their Complications (RDS/ Fetal and Neurologic dysfunction Intracranial hemorrhage) 2)neonatal pneumonia sepsis (3 Pulmonary hypoplasia and fetal compression syndrone (4)Prolapse or compression of umbilical cord (5)Abruptio placentaInfants: (1) Preterm Baby and their Complications : (RDS / Fetal and Neurologic dysfunction Intracranial hemorrhage) (2) neonatal pneumonia、sepsis (3) Pulmonary hypoplasia and fetal compression syndrone (4) Prolapse or compression of umbilical cord (5) Abruptio placenta