For most women who experience nausea during or before their periods, its just a normal part of pre-menstrual syndrome (PMS). A hormone called prostaglandin circulates around your body during your time of the month. It can cause nausea, vomiting, diarrhea and headaches.
Does nausea before period mean pregnancy?
Share on Pinterest Nausea and vomiting are common in early pregnancy. While mild digestive discomfort can occur just before a menstrual period, nausea and vomiting are not typical PMS symptoms. They are, however, common symptoms of early pregnancy. Nausea affects up to 80 percent of pregnant women.
Why do I get headaches and nausea before my period?
Hormones. Premenstrual headaches are usually caused by the decrease in estrogen and progesterone that happens before your period begins. While these hormonal changes happen in all people who menstruate, some are more sensitive to these changes than others.