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目的:了解常山县女性月经初潮年龄。方法:对常山县9所学校8~18周岁的女生进行问卷调查,以及对婚前医学检查的女性,进行月经初潮年龄问询调查。按年龄分组,计算各年龄组女性平均初潮年龄。比较各年龄段平均初潮年龄以及各年龄段小于12岁和大于18岁初潮者比例的差异。结果:调查3 991例妇女,已初潮妇女3 005例,平均初潮年龄(14.13±1.73)岁,初潮年龄最早8.99岁(1例),初潮最晚22岁,各年龄组平均初潮年龄比较,差异有统计学意义(P<0.01),随着年龄增大,初潮年龄呈增大趋势,小于12岁初潮者的比例在≤20岁年龄组中最高,而初潮年龄大于18岁者的比例随着被调查者年轻化而比例逐渐减少。结论:常山县妇女月经初潮年龄呈现逐渐提前趋势,40年间提前3.64岁。
Objective: To understand the age of menarche in Changshan County. Methods: A questionnaire survey was conducted among girls from 8 to 18 years old in 9 schools in Changshan County, and the age of menarche was surveyed for women who had premarital medical examinations. By age groups, calculate the average age of menarche in each age group. The differences of mean menarche age in all age groups and the proportion of menarche less than 12 years old and older than 18 years in all age groups were compared. Results: A total of 3 991 women were surveyed with 3 005 women who had had ankle men. The average age of menarche was (14.13 ± 1.73) years old, the earliest menarche was 8.99 years old (1 case), the age of menarche was 22 years old, (P <0.01). As the age increased, the age of menarche tended to increase. The proportion of menarche less than 12 years old was the highest in the group of ≤20 years old, and the proportion of menarche older than 18 years Respondents younger and the proportion of gradually reduced. Conclusion: The age of menarche in Changshan County shows a gradual advancement trend, 3.64 years ahead of 40 years.