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menstrual cycle
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menstrual cycle
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医学
月经周期
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menstrual cycle
月经周期
从一次月经开始到下一次月经开始之间的时间。是女性为了可能的妊娠所做的准备(产生卵母细胞、对妊娠子宫的准备),平均28天。在此期间,生殖系统(如卵巢和子宫)和激素浓度发生规律性变化。
Biology
menstrual cycle
月经周期
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