论文部分内容阅读
本文就黑龙江省12个地、主,市116 434名育龄妇女放置常用12种IUD情况进行流行病学调查,为IUD的推广使用及进一步研究提供可靠参数。 1 研究对象与方法
In this paper, 12 kinds of IUDs in 116 434 women of childbearing age in main cities and cities in Heilongjiang Province were investigated by epidemiological survey, which provided reliable parameters for the promotion and use of IUDs and further research. 1 research objects and methods