初潮 meaning in English

[中医] menophania

The relationship between bone development , menarche and height spurt among male adolescents
月经初潮与身高突增关系研究
A case - control study on psychological and social factors of urban girls with early menarche
月经初潮早发与社会心理因素关系
Research on menarche and first spermatorrhea of students in guangdong province
广东省中小学生月经初潮与首次遗精年龄现状及趋势分析
Ovulation ( 400 ~ 500 ) : the girl from the first menstruation to till the menopause ( i . e . in life ) , the total which the ovary arranges , is 400 to 500
排卵（ 400 500个）女孩子由初潮至到闭经为止（即一生中），卵巢所排的总数，为四百至五百个。
It discusses a mathmetic model expressed by derivative polynomial and multipilication polynomial from which it derives a discrete regression equation and obtains the relation between age of menstruation and girl s first menstruation
研究导数用变量多项式与因变量有理函数乘积形式表达的数学模型，推导出回归方程计算式，给出了月经年龄与少女初潮的回归关系

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