2 doctors weighed in:

How long before your period starts should you usually have sore breasts?

2 doctors weighed in
Dr. Regina Hampton
Breast Surgery
1 doctor agrees

In brief: Varies

In most cases, 3-5 days, but it varies for every woman.
The other cause is fibrocystic changes. You can look up my other posts on this subject for detailed explanation.

In brief: Varies

In most cases, 3-5 days, but it varies for every woman.
The other cause is fibrocystic changes. You can look up my other posts on this subject for detailed explanation.
Dr. Regina Hampton
Dr. Regina Hampton
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