本文对高原地区施行绝育手术及术后长期居住于高海拔区(2262—4280米)的232例进行了随访分析及讨论。本文统计绝育术后发生月经改变的病例占31.9％,比国内、外文献资料报道要高。对术后月经改变的类型作了统计学处理,P<0.01,具有高度显著性意义,并讨论了引起术后月经改变的原因及与高原有关的因素。在月经改变病例的胎次之间的P值>0.05,无统计学意义。术后性格改变占56.47％,术后再孕率为2.16％。 In this paper, 232 cases who underwent sterilization surgery and long-term living in the high altitude area (2262-4280 meters) after the operation were followed up and discussed. Statistics of this article after sterilization of the cases of menstrual changes accounted for 31.9%, higher than the domestic and foreign literature. The types of postoperative menstrual changes were statistically treated, P <0.01, with a high degree of significance, and discussed the causes of postoperative menstrual changes and the factors associated with the plateau. In the cases of menstruation, the P value between the parity of the cases> 0.05 was not statistically significant. Postoperative personality changes accounted for 56.47%, postoperative pregnancy rate was 2.16%.