menarche 是什么意思

	n. 月经初期。

the first occurrence of menstruation in a woman

	1.	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
	2.	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
	3.	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
	4.	Women who have early menarche and late menopause are also at higher risk 同时，年纪较轻时开始有月经及年纪较大才停经的妇女也有较大机会患病。
	5.	Breast cancer is more common among women who had early menarche and late menopause . age at birth of first child 年纪很轻便开始有月经及年纪很大才停经的妇女。
	6.	Menarche occurred at 13 years of age and the menstrual cycle remained within normal limits until the onset of menorrhagia 月经于13岁开始，一直到发生月经过多症以前，经期正常。

menarche是什么意思