加强围产期保健,提高分娩前产、胎生理病理诊断水平,做好有准备地助产,是降低围产儿病残率,减少新生儿死亡率,保证孕产妇健康的必不可少的手段。围产期计算尺,就是彷计算尺工作原理,参考国内外新近文献及大量测试数据,以8种生理常数归居一尺,得用途10种。为围产期保健、妇产科临床及教学提供一件简便而适用的工具。这 Strengthening perinatal care, improving the diagnosis of prenatal and postnatal physical and pathological conditions, and preparing for midwifery are essential measures to reduce perinatal morbidity, reduce neonatal mortality and ensure maternal health. Perinatal slide rule, is the principle of imitation slide rule, with reference to recent literature and a large number of test data at home and abroad to 8 kinds of physiological constants one foot, have 10 uses. For perinatal care, obstetrics and gynecology clinic and teaching to provide a simple and applicable tools. This