2. Secondary amenorrhoea affects about 3% of girls.
中学闭经影响的3 %左右的女孩。
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3. Secondary amenorrhoea implies a gynaecological disorder or a general cause or disease.
中学闭经意味着妇科失常或一般事业或疾病。
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4. Up to 50% of competitive long-distance runners (running 80 miles per week) and up to 44% of ballet dancers have amenorrhoea .
高达50 ％的竞争力，长期的长跑运动员（运行80英里，每星期）和多达44 ％的芭蕾舞团舞者闭经。
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5. In many cases, as in girls before puberty, or during pregnancy, breastfeeding or the menopause, this is normal and is called physiological amenorrhoea.
在许多情况下，作为在女孩的青春期之前，或在怀孕期间，哺乳或绝经期，这是正常的，也是所谓的生理闭经。
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6. Compared with AZA, MMF also is an alternative for maintenance therapy of severe LN without significant difference in the prognosis or risks of amenorrhoea and herpes zoster.
7. Compared with AZA, MMF also is an alternative for maintenance therapy of severe LN without significant difference in the prognosis or risks of amenorrhoea and herpes zoster.
