Conclusion The time of stages of labor of multipara is shorter obviously than that of primipara.
结论经产妇的产程明显比初产妇短，但随着本次分娩距前次分娩时间的延长，产程也逐渐延长。
2
Outlet obstruction constipation (OOC) is a common disease of females, especially in multipara. Early and accurate diagnosis of the disease is the key to treatment.
出口梗阻性便秘(ooc)是一种女性患者的常见病，尤其多见于经产妇，早期而准确的诊断是治疗的关键。
3
With the extensive use in addition agent of multipara, the arsanilic acid has resulted in remnant in products and environment pollution. So we carry out this research.