Why Do Breasts Get Bigger Before Your Period? Hormonal Causes Explained

Learn why your breasts swell before menstruation due to hormonal changes like estrogen and progesterone fluctuation.

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Hormonal changes are why your breasts get bigger before your period. Estrogen and progesterone increase, causing breast tissues to retain water and swell. This is a natural part of the menstrual cycle.

FAQs & Answers

  1. What causes breast swelling before a period? Breast swelling before a period is caused by hormonal changes, mainly increases in estrogen and progesterone, which make breast tissues retain water and swell.
  2. Is breast enlargement before menstruation normal? Yes, it is a normal and natural part of the menstrual cycle due to hormonal fluctuations that prepare the body for potential pregnancy.
  3. How long do breasts stay swollen before a period? Breast swelling typically starts a few days before menstruation and usually subsides within a few days after the period begins.