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目的 了解产次及末次产龄对绝经后骨质疏松症 (PMD)的影响程度 ,探讨PMD的流行病学有关因素。方法 用整群、分层抽样方法对耒阳市城区及农村 55～ 75岁绝经后妇女 397人进行调查 ,详细记录有关资料 ;分 55～ 6 4岁 ,6 5～ 75岁两个年龄组 ,分别将产次≤ 4次和 >4次 ,末次产龄 <35岁和≥ 35岁对比。结果 末次产龄 <35岁与≥ 35岁妇女PMD发生情况有非常显著差异 ,55～ 6 4岁组产次≤ 4次和 >4次者有显著差异 ,6 5～ 75岁组产次≤ 4次和 >4次者无显著差异。结论 产次多 ,末次产龄大是PMD的高危因素
Objective To understand the effect of delivery time and the last delivery age on postmenopausal osteoporosis (PMD) and to explore the epidemiological factors of PMD. Methods A cluster and stratified sampling method was used to investigate 397 postmenopausal women aged 55-75 years in urban and rural areas in Xingyang City. The data were recorded in detail. The age groups 55 to 64 and 65 to 75 years old, Respectively ≤ 4 times and ≥ 4 times, the last delivery <35 years old and ≥ 35 years old contrast. Results There was a significant difference in the incidence of PMD among the women of the last delivery <35 and> 35 years old, the output of ≤ 4 and> 4 times in the 55 ~ Times and> 4 times no significant difference. Conclusions Multiple births, the last major birth age is a high risk factor for PMD