Preterm labor 早产 林建华
Preterm Labor 早 产 林建华
epidemiology Labor and delivery between 28-36+6 weeks 5%-10 a be the leading cause of perinatal morbidity and mortality Survival rates have increased and morbidity has decreased because of technologic advances
epidemiology ◼ Labor and delivery between 28 – 36+6 weeks ◼ 5%-10% ◼ be the leading cause of perinatal morbidity and mortality ◼ Survival rates have increased and morbidity has decreased because of technologic advances
Risk factors Previous preterm delivery Low socioeconomic status °· Maternal age<18 years or>40 years Preterm premature rupture of the membranes Multiple gestation Maternal history of one or more spontaneous second-trimester abortions Maternal complications (medical or obstetric) - Lack of prenatal care
Risk Factors ◼ Previous preterm delivery • Low socioeconomic status • • Maternal age <18 years or >40 years • Preterm premature rupture of the membranes • Multiple gestation • Maternal history of one or more spontaneous second-trimester abortions • Maternal complications (medical or obstetric) --Lack of prenatal care