Why do I feel like I have the flu right before my period?

Why do I feel like I have the flu right before my period?

It can be really annoying not knowing if you are getting sick or if it's just your period coming! The sudden fluctuation of hormones (estrogen and progesterone) before your period is probably why you may feel like you're coming down with the flu.
Before your period, estrogen levels and progesterone levels can fluctuate suddenly, which is why headaches, nausea and flu-like symptoms may appear.
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