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本文报告了国际上9个医疗中心采用经阴道途径给予两种避孕药丸的效果，并论证了此途径给药的可行性。9个医疗中心共有1055例妇女进入该试验研究。年龄在17～39岁。1055例妇女中，537例经阴道终于左快诺孕酮（levonor－gestrel（LL），518例使用去氧孕烯（deso－gestrd（DL人675
This article reports the effectiveness of transdermal delivery of two types of contraceptive pills at nine international centers and demonstrates the viability of this approach. A total of 1055 women in nine medical centers entered the pilot study. The age of 17 to 39 years old. Of the 1055 women, 537 were transvaginal and finally levonor-gestrel (LL), and 518 were treated with deso-gestrd (DL 675