Eli5;What causes the stomach/ abdomen to “bloat” during menstruation?

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I’m experiencing my first ever bloating during my time of the month and it’s freaked me out a bit to see my stomach look and feel swollen when I haven’t experienced it prior to this. Looking it up, it appears to be pretty common to happen during this time, what exactly causes the stomach/ abdomen to bloat during menstruation? I figured If I understood it more; it would freak me out a little less!

In: Biology

Anonymous 0 Comments

Changes in levels of progesterone and estrogen.

About a week before your period starts progesterone levels fall. Reduced levels of progesterone cause the uterus to shed its lining and causes the body to retain more water and salt. The body’s cells become swollen with water, causing the feeling of bloating.