预先咨询对妇女使用醋酸甲孕酮避孕停用率的影响

目的：了解预先咨询对１５０ｍｇ醋酸甲孕酮（ＤＭＰＡ）作为３个月使用１次的长效避孕针的停用率的影响。方法：将４２１例受试者分为两组，２０４例在用药前和用药中对ＤＭＰＡ的激素作用和可能的副反应接受详细的咨询（强化组），２１７例接受一般性咨询（一般组）。每３个月随访１次，持续１年。观察停用率、常见的医疗事件和停用原因。结果：最常见的停用原因是月经改变，虽然强化组月经不规则发生率（３９．７％）较一般组的（２６．３％）高（Ｐ＜０．０１），但其停用率仍显著低于一般组，１年时累积停用率分别为１１．３％（２３／２０４）和４２．４％（９２／２１７）（Ｐ＜０．０００１）。无妊娠和严重的或不期望的医疗事件发生。结论：对预计的副反应作预先咨询，提高了ＤＭＰＡ可接受性。

Effect of Pretreatment Counseling on Discontinuation Rates in Women Given Depo Medroxyprogesterone Acetate for Contraception

Objective: To investigate the effect of pre treatment counseling on discontinuation rates of 150 mg depo medroxyprogesterone acetate (DMPA), given for contraception. Methods: A total of 421 women participated, 204 receiving intensive structured pre treatment and on going counseling on the hormonal effects and probable side effects of DMPA and 217 receiving only routine counseling. All participants were followed up at every 3 months for 1 year. The primary endpoint was termination rate, secondary endpoints were frequency of medical events and reasons for termination. Results: The most common reasons for terminating DMPA were menstrual changes. Although women in the intensive structured counseling group reported more menstrual irregularity (39.7%) than did women in the routine counseling group (26.3%), study termination rates were significantly lower in the intensively structured counseling group than in the routine counseling group. At one year, the total cumulative termination rates were 11.3% (23/204) and 42.4% (92/217), respectively ( P <0.0001). No pregnancy and serious medical events were reported. Conclusion: Pre treatment counseling on expected side effects increases the acceptability of DMPA.