Advertisement

How do breasts change during one's menstrual cycle?

Breasts can change during one’s menstrual cycle due to a surge in hormones just before ovulation, which can cause breast enlargement. There is increased blood flow to the tissues, which leads to swelling, stretching and increased pressure. This is why some women have breast pain just before their menses begin.

Trinity Health is a Catholic health care organization that acts in accordance with the Catholic tradition and does not condone or support all practices covered in this site. In case of emergency call 911. This site is educational and not a substitute for professional medical advice, always seek the advice of a qualified healthcare provider.

You may find that your breasts feel fuller and are more sensitive when you're ovulating; and, in fact, they actually do get bigger because of water retention and additional blood flow. This is also when they're most likely to be the same size, however; one study found that breasts have the least amount of asymmetry on the first day of ovulation. During menstruation, breasts shrink again.

Continue Learning about Menstruation

The One Tampon Complication Can Be Life-Threatening
The One Tampon Complication Can Be Life-Threatening
The tampon was invented in 1929 by Dr. Earl Haas, and many women immediately found it to be a more convenient option. But having your period was a tab...
Read More
At what age does menstruation stop?
Dr. Peter T. Nassar, MDDr. Peter T. Nassar, MD
The stopping of menstruation is called menopause. The average age for menopause is 51 years old, but...
More Answers
What causes common menstrual cramps?
Dr. Howard S. SmithDr. Howard S. Smith
Menstrual cramps are generally categorized as “primary dysmenorrhea,” which is caused by the elevate...
More Answers
How Can I Relieve Mild Menstrual Cramps?
How Can I Relieve Mild Menstrual Cramps?

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.