Why Do I Get Nauseous Before My Period?

Pre-menstrual nausea affects up to 85% of women and stems from hormonal fluctuations during your menstrual cycle. Estrogen and progesterone levels drop sharply in the days before menstruation, triggering prostaglandin release that can cause digestive symptoms including nausea, bloating, and cramping. These same prostaglandins that contract the uterus also affect your gastrointestinal tract. Additionally, serotonin levels fluctuate with hormonal changes, impacting mood and digestion. Blood sugar instability during this time can worsen nausea symptoms. Most women experience this 1-7 days before their period starts, with symptoms typically resolving once menstruation begins and hormone levels stabilize.

Related Questions

• How can I reduce nausea before my period?

• What other PMS symptoms are related to nausea?

• When should I see a doctor about pre-period nausea?

• Can birth control help with pre-menstrual nausea?

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