Pain in the breasts, areolas becoming darker and sweat glands getting prominent etc symptoms and signs can be seen in early pregnancy
And sometimes can also be seen in cases of hormonal
fluctuation, usage of contraceptive
As you are telling that you are having all these symptoms before ovulation itself, there could be some other cause for it.
So, you better consult gynecologist and go for physical examination and ultrasound
to find out the possible cause for your problem. If needed she may advice to go for hormonal evaluation, with this primary workup the possible cause for your problem can be sort-out and treatment can be given accordingly.
Wish you Good Health, If you are satisfied with my response please rate the answer after closing the discussion.