1. Methods At random law select examples implement at experiment group, traditionattend to lying-in woman lying-in woman No.200 at contrast group practise midwifery practise midwiferyresponsibility.
方法随机法选200例实行责任助产产妇为实验组，传统护理助产产妇200例为对照组。
1. Wu and her husband arrived in Shanghai from Anhui Province in 1998, before which she had gained some medical knowledge but was not certified to practise midwifery.