Many things: Pregnancy, weight change, stress, fibroids, cysts, endometiosis, abnormal hormones, other medicines u are on, other medcial conditions you may have, birth control, this ? Is way too generalized if u are worried about your cycle see your gyn or a freinds gyn if u do not have one for a workup.
Answered 9/30/2018
5.6k views
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