Results The blood losing was increased with pregnancy weeks and incidence of postpartum of 9% that including placenta remain and soft birth canal injury.

结果失血情况随孕周增加、失血量增多。产后病率9% ，包括胎盘残留及软产道损伤等。

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Results The blood losing was increased with pregnancy weeks and incidence of postpartum of 9% that including placenta remain and soft birth canal injury.

结果失血情况随孕周增加、失血量增多。产后病率9% ，包括胎盘残留及软产道损伤等。

youdao