Why do your breasts hurt before your period? it's just fat right.

No: It's not just fat. Normal breast tissue responds to the normal fluctuations in hormonme levels in your body, especially estrogen. When estrogen is produced by your ovaries as part of the menstrual cycle, your breasts may become sore and tender. There are some bc pills that can reduce the swelling in your breasts by reducing the amount of water retention during your regular cycle. Pls ck with yr md.