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目的 了解永州市 1966～ 1986年出生女性月经初潮年龄动态变化。方法 通过查阅住院病历和现况调查 ,对永州市 1966～ 1986年出生女性月经初潮年龄作了动态分析 ,绘制出了折线图 ,统计月经初潮提前速度。结果 月经初潮年龄2 0a间提前 1 66岁 ,1966～ 1976年出生者的月经初潮年龄平均数基本稳定在 14 0岁左右 ,正负不超过 0 18岁 ,1976～ 1981年出生的月经初潮年龄提前 1 5 2岁。 1981～ 1986年出生者的月经初潮年龄又基本稳定在 12 5岁。 2 0a女性月经初潮平均年龄在 12 5 0～ 14 .18岁之间。结论 该项调查结果符合罗小玲等提出的永州市女生 95 %月经初潮年龄正常范围 ,此城市女生正常参考值在较长时间内是有意义的。
Objective To understand the dynamic changes of menarche age at 1966 to 1986 in Yongzhou. Methods According to the inpatient medical record and current situation survey, the age of menarche in 1966 ~ 1986 in Yongzhou city was analyzed dynamically. The line chart was drawn and the advance rate of menarche was counted. Results The age of menarche 20 years ahead of the age of 66 years old, born 1966 to 1976, the average age of menarche basically stabilized at around 14 0, plus or minus no more than 0 18 years old, born 1976-1981 early menarche age 1 5 2 years old. The age of menarche in 1981 ~ 1986 was basically stable at 12 5 years old. The average menarche age of 20 females was between 125 and 14.18 years old. Conclusion The findings of this investigation are in line with the normal range of 95% of the age of menarche in Yongzhou City proposed by Luo Xiaoling et al. The normal reference value of female students in this city is significant for a long time.