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What could cause me to get dizzy before my menstrual period?

Patricia Geraghty, NP
Women's Health

Progesterone is the dominant hormone before your menstrual period. There are progesterone receptors throughout the body so this hormone can affect many different body systems. One thing it does is slow the constriction of blood vessels when you change position. A slowing of constriction can cause a temporary decrease in blood flow to the brain when you stand up or turn quickly and this can result in dizziness. Stay well hydrated and move a tiny bit slower during this time if this is a problem for you.

Dr. Aparna Sridhar, MD
OBGYN (Obstetrician & Gynecologist)

This could be a premenstrual symptom. Some women have a complex interaction of hormonal variation and fluid balance in this time—keep yourself hydrated and you may feel better.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.