n.月经过少

Oligomenorrhea is characterized by infrequent menstrual periods, usually occurring at intervals of more than 35 days.
翻译： oligomenorrhea（月经稀发）的特点是月经周期不频繁，通常间隔时间超过35天。
The patient was diagnosed with oligomenorrhea due to her irregular and prolonged menstrual cycles.
翻译：由于患者月经周期不规则且延长，她被诊断为月经稀发。
Athletes often experience oligomenorrhea as a result of intense physical training and low body fat percentages.
翻译：运动员经常由于高强度训练和低体脂率而出现月经稀发的情况。
Polycystic ovary syndrome (PCOS) is a common cause of secondary oligomenorrhea.
翻译：多囊卵巢综合症（PCOS）是继发性月经稀发的常见原因。
Treatment for oligomenorrhea may involve hormone therapy or lifestyle changes to regulate the menstrual cycle.
翻译：治疗月经稀发可能包括激素疗法或生活方式改变以调节月经周期。
A diet lacking in essential nutrients can lead to amenorrhea or oligomenorrhea.
翻译：缺乏必需营养素的饮食可能导致闭经或月经稀发。
Stress and significant weight loss can trigger oligomenorrhea in some women.
翻译：压力和显著的体重减轻可能在某些女性中引发月经稀发。
She sought medical advice because of her oligomenorrhea, which had been affecting her fertility.
翻译：由于月经稀发影响了她的生育能力，她寻求了医疗建议。
Oligomenorrhea can be an early sign of perimenopause in some women.
翻译：对一些女性来说，月经稀发可能是围绝经期的早期征兆。
Consistently missing periods is not normal; it could be oligomenorrhea, which requires further investigation by a healthcare professional.
翻译：连续错过月经并不正常；这可能是月经稀发，需要医疗专业人员进一步调查。