极小未成熟儿的产科处置对其长期预后至关重要。近10年,极小未成熟儿(小于1500g)的新生儿死亡率显著降低,出生体重750～1000g的新生儿如接受新生儿重点监护,70％可获得生存,但750g以下的死亡率仍然很高。出生体重越低具有重度后遗症者越多。 治疗方针:Low等指出,妊娠分娩中的处置方针是:①最大限度确保新生儿肺成熟。②避免围产期胎儿窘迫。③避免产伤。④避免颅内出血。如果分娩 Obstetric management of very young immature children is crucial for their long-term prognosis. In the recent 10 years, the death rate of neonates with very small immature infants (less than 1500g) has been significantly reduced. Newborns with a birth weight of 750-1000g have 70% survival if they are under intensive neonatal care. However, the mortality rate below 750g is still very low high. The lower the birth weight, the more severe sequelae. Treatment guidelines: Low, etc. pointed out that the treatment of pregnancy and childbirth guidelines are: ① maximize neonatal lung maturity. ② avoid perinatal fetal distress. ③ avoid injury. ④ to avoid intracranial hemorrhage. If childbirth