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本文研究产母吸入50%的氧气时对胎儿呼吸运动的影响。研究对象为32名无并发症的单胎妇女,孕32～39周。每人都相继地生下正常婴儿,其体重符合孕龄,出生5分钟Apgar评分≥7。对患有胰岛素依赖性糖尿病、轻度子痫前期(无蛋白尿),重度子痫前期(尿蛋白≥1+者,slough法)以及怀疑为胎儿发育迟缓的孕妇进行了产母高氧影响的测定。测定前,患者取半卧位,休息5～10分钟。以后,经胎儿的胸壁部位,用带百感传器的线列式B型实时超声扫描器进行观察。当前胸和腹部向相对方向移动和胎儿脊柱弯曲增加时,可以看到胎儿胸部的纵向扫描,并认出其呼吸运动
This article studies the effects of inhaling 50% oxygen on fetal respiratory activity. The study object was 32 uncomplicated singleton women, pregnant 32 to 39 weeks. Each child gave birth to a normal infant one after the other, whose body weight was in gestational age and had an Apgar score of 5 for 5 minutes of birth. Female hyperoxia-affected pregnant women with insulin-dependent diabetes mellitus, mild preeclampsia (no proteinuria), severe preeclampsia (urinary protein ≥ 1 +, slough test), and suspected fetal growth retardation Determination. Before the test, patients take semi-recumbent position, rest for 5 to 10 minutes. Later, through the fetal chest wall site, with a hundred sensory line type B real-time ultrasound scanner was observed. As the chest and abdomen move in opposite directions and the fetal spine flexes more, a longitudinal scan of the fetus’s chest can be seen and its respiratory motion is recognized