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月经初潮

网络menarche

月经初潮

月经初潮

月经初潮

menarche

月经初潮（menarche）及月经停经（menopause）是女性心理及生理健康的两个重要的里程碑。月经初潮及月经停经对停经前 …

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Girls are reaching puberty earlier in the United States , where the average age of menstruation is about 12 years , Deardorff said .

美国女孩总是很早进入青春期，她们月经初潮的年龄大约在 12 岁左右，Deardorff 说。

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The women with elder brothers had started their periods almost a year later than others.

有年长兄弟的女人，月经初潮的时间一般会推迟近一年。

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Bone age determination ; Epiphysisdiaphysis fusion ; Menarche ; Radiography .

年龄测定，骨骼；干骺融合；月经初潮；放射摄影术。

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It can take up to 2 years from menarche for a girl's body to develop a regular menstrual cycle .

女性从月经初潮到形成规律的月经周期大概需要 2 年左右的时间。

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Secondary sexual characteristics development and age at menarche are different in urban and rural girls.

第二性征发育和月经初潮年龄存在城乡差异。

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Now scientists have found two genes involved in determining the onset of menstruation .

科学家们经研究发现了与月经初潮时间有关的两个基因。

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Conclusion There were decline trend of menarcheal age in studied women .

结论女职工月经初潮年龄有提前的趋势；

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The studies did control for different factors that affect breast cancer risk, such as age , breast-feeding and age at first menstruation .

研究对导致乳腺癌的不同因素进行了控制，像年龄，母乳喂养以及月经初潮年龄。

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Want to guess when you'll get your period ?

想预测你什么时候开始月经初潮吗？

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The epiphysis diaphysis time was significantly correlated with their growth index and the girls' menarchal time (r=0. 801-0. 999, P05).

膝踝部各长骨干骺融合时间与生长指标及女生月经初潮时间呈高度正相关（r=0.801-0.999，P0.05 ）。

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Analysis of menarche age of female primary school pupils and middle school students and its impact

淄博市学生月经初潮及对形态发育影响的分析

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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

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average age was 13 . 01 years and compared with that of Qinghai province in 1985 , it has been moved up for 0. 5 year;

01 岁，较 1985年青海省汉族女生的月经初潮年龄提前了 0 。5 岁；母女初潮年龄比较平均相差 0 。

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You recently had your first period, gave birth, or stopped taking birth control pills or other hormonal contraceptives

是否近期月经初潮、生育或者停服口服避孕药或者其他的激素类避孕药；

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Geographic Distribution and Secular Shift of Menarcheal Age of Chinese Girls in Provincial Capitals

中国省会市女生月经初潮年龄的地域分布及变化趋势

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An investigation of 13 494 middle school girls 'age of menarche and its relative factors in Nanjing area

南京地区 13494 例女中学生月经初潮年龄及其相关因素调查

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The Relationship Between Bone Development, Menarche and Height Spurt Among Male Adolescents

青春期女性骨发育、月经初潮与身高突增关系研究

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The analysis of age at menarche and its correlative factors at Guangxi female

广西女性月经初潮年龄相关因素分析

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Survey of first menstruation in female college students in eight colleges of Guangzhou area

广州八高校女大学生月经初潮年龄调查分析

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