Breast enlargement during ovulation is an important physiological phenomenon and plays an important role in women's menstrual cycle. Breast enlargement during ovulation may be caused by:

2. Breast development: Some women may experience breast enlargement during ovulation, and may also experience breast development at the same time. Breast development can be caused by changes in hormonal levels, or it can be caused by other factors, such as poor nutrition.

3. Breast cancer: Although breast enlargement does not necessarily mean you have breast cancer, research shows that some women with breast cancer may experience breast enlargement during ovulation. Therefore, if a woman’s breasts enlarge during ovulation, it is recommended to seek medical attention promptly for examination and treatment.

During ovulation, a woman's body undergoes a series of complex physiological changes, which play an important role in women's health and fertility. If you find that your breasts are enlarged during ovulation, it is recommended to seek medical attention promptly for examination and treatment.