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Women may experience emotional and physical changes before and during their periods. It's not clear what causes PMS. Most women get symptoms a week or two before their periods. This is not an imaginary condition, even though people make lots of jokes about it and don't take it seriously. You can experience food cravings, sore breasts, bloating, and mood swings.
What are some of the symptoms?
How can you treat PMS?
About 1 in 5 women have PMS symptoms that make life difficult. Hormone changes cause most of the PMS symptoms, but there are things you can do to make yourself more comfortable.