Menarche

Results : The mean age at menarche was 13.04 ± 1.45 years .

结果平均初潮年龄为13.04±1.45岁。

Trend and Influencing Factors of Menarche Age in Mongolian Students During 1985-2005

蒙古族女生月经初潮年龄20年变化趋势及影响因素分析

Investigation of mean age at menarche of middle school students in Hebei

河北女中学生初潮年龄调查

Comparisons of methods used for collecting data and estimating median age at menarche

月经初潮平均年龄调查与计算方法的评估

Objective : To analyze the correlative factors of age at menarche of Guangxi .

目的分析影响广西地区女性月经初潮年龄的相关因素。

Study menarche age and time of lactation associativity with the bone mineral density

初潮年龄、哺乳时间与骨密度相关性的研究

Age of Experimentation with Menarche and First Nocturnal Emission among Students in Fujian Normal University

福建师范大学学生月经初潮与首次遗精年龄调查

And the economic , geographical factors of an area can affect the age at menarche . 3 .

文献分析结果表明月经初潮年龄也受经济、地理因素的影响。

Prediction of Age of Menarche from Indices of Morphological Development : Application of Cox 's Logistic Model

用形态发育指标预测月经初潮年龄的研究&Cox线性Logistic模型的应用

Since the early age of menarche , the period corresponding physical education should be carried out in advance .

由于初潮年龄的提前，有关月经生理的教育应相应提前开展。

The women with earlier menarche and late amenorrhea had higher risks of breast cancers .

女性月经初潮越早、闭经越晚，乳腺癌的危险性越高。

Correlation between menarche age and the stature , body weight , body surface area and body fat of young women

月经初潮年龄与青年期身高、体重、体表面积、体脂的关系

Menarche age and height , weight and education level of parents were not related.10 .

月经初潮年龄与身高、体重及父母亲的文化程度分析没有统计学意义。

Probability unit regression and multiple regression methods were used to analyze the relationship between average menarche age , sex development and body constitution .

采用概率单位回归法及多元回归分析法，进行月经初潮平均年龄及性发育与体质关系的研究。

Conclusion : Not only the genetic factors but also the uterine environment and the development in childhood are related to the age at menarche .

结论女孩初潮年龄不仅与遗传因素有关，而且与宫内环境和儿童时期的发育有关。

Objective To explore tendency and influencing factors of menarche age in Mongolian students and to provide a suggestion for sex education for students .

目的分析蒙古族学生月经初潮年龄的变化趋势及影响因素，为学生性教育提供干预建议。

Female physiological factors : latter menarche and history of dysmenorrheal were the risk factors to lung cancer for women ; 9 .

女性生理因素：初潮年龄晚与有痛经史为女性肺癌的危险因素。

Relationship between menopause , age of menopause , age of menarche and bone mineral density in menopausal women in Hefei

绝经后妇女绝经年限、绝经及初潮年龄与骨密度关系的研究

Results showed that the earlier the age of menarche the higher the risk might be . Lactation had some effect to protect against breast cancer .

结果表明：初潮年龄愈早可能发生乳腺癌危险愈大；

Efficacy factors results show that the shorter the duration , age at menarche within the normal range is relatively smaller , the treatment effect is more significant .

疗效相关因素研究结果显示，病程越短，初潮年龄在正常范围内相对越小，治疗效果越显著。

Endometriosis seemed to be related to early menarche , short cycles , long menstrual lengths , and more abortions numbers .

子宫内膜异位症发病与初潮年龄早，月经周期短，经期长，人流次数多有关。

Objective To explore the correlation between timing of menarche and central obesity , and to provide scientific evidence for the intervention of childhood obesity .

年龄目的探讨月经初潮年龄与中心性肥胖之间的关系，为儿童青少年肥胖的干预研究提供科学依据。

We compared menstrual cycle changes from 5 years after the first year of menarche with completion of the baseline questionnaire in women of the two groups .

比较两组本次就诊时与初潮第1年后5年内月经变化。

Objective To study the occurrences of menarche and first nocturnal emission and their relation to habitation , and psychological evolution a-mong university students .

目的了解大学生月经初潮和首次遗精状况，分析与居住地的关系和心理变化情况。

Conclusion : Galactophore hyperplasia relate to menarche , menopause , pregnancy , lactation , social environment and so on .

结论：乳腺增生与初潮、绝经、妊娠、授乳与社会环境等因素有关。

The month distribution of menarche had two peaks , with one in October for the urban girls , and another in July for the rural girls .

初潮月分布呈双峰特征，城市学生主峰期在10月，乡村学生在7月。

The college nursing students ' sexual attitudes : The majority of college nursing students hold a scientific and healthy attitude toward menarche or spermatorrhea .

高专护生性态度情况：大部分高专护生能对月经（或遗精）持一种科学健康的态度。

On the contray , better human relationship , older at menarche , longer duration of breastfeeding could effectively decrease the risk of breast cancer .

此外，人际关系好、初潮年龄大以及累积哺乳时间长等因素能在绝经前、后不同程度地降低乳腺癌的发生风险。

Age of sportswomen menarche char-acteristic during menstrual period

女运动员初潮年龄和月经期主要特征

Conclusion The health education on menses physiology to puberty girls should be enhanced , especially before menarche and the first half year after menarche .

结论应加强青少年期月经生理的健康教育，做好经期卫生保健，是预防妇女疾病的重要环节之一。