CHOICE研究中,以下3种避孕方法,24个月续用率由高到低排序为
(A)Cu-IUD>LNG-IUS>Implant
(B)LNG-IUS>Cu-IUD>Implant
(C)LNG-IUS>Implant>Cu-IUD
(D)Cu-IUD>Implant>LNG-IUS
参考答案
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(A)Cu-IUD>LNG-IUS>Implant
(B)LNG-IUS>Cu-IUD>Implant
(C)LNG-IUS>Implant>Cu-IUD
(D)Cu-IUD>Implant>LNG-IUS