Baseline characteristics (history of reproduction, gynecology, and surgery).
收藏数据链接：
官方服务：
资源简介：
EP, ectopic pregnancy; IUP, intrauterine pregnancy; NonP, nonpregnancy; LNG-EC, levonorgestrel emergency contraception.aThe number of women who had delivered a child was used as the denominator to calculate the percentage.Baseline characteristics (history of reproduction, gynecology, and surgery).
创建时间：
2015-12-02
