口服避孕药与多胎分娩

• 作 者: 周椿瑛
• 出 处: 国外医学.计划生育妇产科学分册
• 发表日期: 1981年01期
• 关键词: 多胎分娩 口服避孕药 激素制剂 分娩率 双胎 率比 四对 剂量 脑垂体 垂体激素

本文研究了2,953名曾使用口服避孕药者及13,630名对照者的多胎分娩情况,其结果如下: 一、本文研究对象其分娩16,583人次,其中238名系多胎分娩,占分娩率14.4‰,过去曾使用过口服避孕药者之多胎分娩率为13.5‰,比对照组的14.5‰稍低; 二、口服避孕药停用后有104例,突破性妊娠中四对为双胎,多胎发生率为38.5‰; 三、用连续避孕药或含高剂量雌激素制剂避孕药者之多胎分娩率均增高; 四、35岁以上口服避孕药者,其多胎分娩率比同年龄对照组高;

This study examined the 2,953 multiple births that used oral contraceptives and 13,630 controls. The results were as follows: 1. In this study, 16,583 children were delivered, of whom 238 were with multiple births and accounted for 14.4% of births. In the past, The rate of multiple births of those who used oral contraceptives was 13.5 ‰, slightly lower than 14.5 ‰ of that of the control group. Second, there were 104 cases after oral contraceptives were discontinued, four pairs of twins were twins and the number of multiple births was 38.5 ‰; Third, with continuous contraceptives or contraceptives containing high doses of estrogen preparations were increased multiple birth rate; Fourth, over 35 years of oral contraceptives, the multiple birth rate was higher than the same age control group;