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已证明超声波诊断胎盘的成熟变化(0～Ⅲ级)与胎儿肺成熟有关,超声诊断胎盘级别是间接预示胎儿肺成熟度的无害性方法,在高危妊娠处理方面尤为重要。当妊娠近足月无合并症时,Ⅲ级胎盘是胎儿肺成熟度的准确指示。本文以230例足月和未足月妊娠合并症的胎盘级别,羊水中磷脂和新生儿结果间的关系进行分析比较。胎盘从0级到Ⅲ级连续增加是伴同儿科预计胎龄而递增的:0级指示胎龄在31.0±1.0周;Ⅰ级,为34.0±3.2周;Ⅱ级,为37.6±2.7周;Ⅲ级,为38.4±2.2周。在Ⅰ和Ⅱ
Ultrasound diagnosis of placental maturity changes (0 ~ Ⅲ grade) and fetal lung maturity, ultrasound diagnosis of placental level is an indirect indicator of fetal lung maturity of innocuous methods, especially in high-risk pregnancy treatment. Placenta of grade 3 is an accurate indicator of fetal lung maturity when there is no complications during the full term of pregnancy. In this paper, 230 cases of term and not full-term pregnancy complications of placental level, amniotic fluid phospholipid and neonatal relationship between the results were analyzed and compared. The sequential increase of the placenta from grade 0 to grade 3 was accompanied by an increase in pediatric projected gestational age: grade 0 indicated a gestational age of 31.0 ± 1.0 weeks; grade I, 34.0 ± 3.2 weeks; grade Ⅱ, 37.6 ± 2.7 weeks; For 38.4 ± 2.2 weeks. In Ⅰ and Ⅱ