推荐回答（1个）
1首先你要排除怀孕的可能。如果担心是这种情况可以拿试孕棒或
试孕纸
自己做检查，如果三次都呈
阳性
，一般可以肯定是怀孕了
2如果没有你可能发生了
月经不调
，但引起月经不调的原因很多，大致有
心理因素
，环境因素和
生理
因素三种。心里因素比如
精神紧张
、压力大等。如果这段时间因为工作或者要备考等原因使精神处于高度紧绷状态，
月经
会推迟，但也有人会提前。环境因素，比如
天气
，这还和每个人的身体素质以及这段时间的活动量有关。另外就是生理因素，比如怀孕了，不恰当的减肥，还有如果服用了一些含有
性激素
的药物(如
紧急避孕药
，
神经
精神类的药，抗抑郁的药，)以及患上一些影响
内分泌
的疾病内科
内分泌疾病
(就包括
甲状腺
的功能异常，还有
肾上腺
的异常，还有
糖尿病
，还有
妇产科
产后
大出血引起的
垂体
缺血以后，垂体分泌的许多胸腺激素降低以后，也可以造成月经不调，甚至
闭经
。还有甲状腺功能问题也包括在内，
肝功能
不正常，
血液系统
的疾病等也会使
经期
推迟。宫内
节育器
。
有的人
放了这个以后，也会发生月经不正常。所以如果感到身体还有其他不适，应该
去医院
全面检查，同时精神放松。
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