We are studying breast health and comfort during lactation, including mastitis and subclinical (symptom-free) changes. You share a small sample of expressed milk and answer questions about your breastfeeding experience and comfort. It is research only and does not provide diagnosis, treatment, or individual results.

If you are eligible, you can continue to contact information and study consent. Later steps open after staff review.

No. This is research and does not provide diagnosis, treatment, clinical advice, or individual health results.

No. You do not need to have had mastitis, breast pain, or soreness. We are studying breast health in parents both with and without symptoms, so we need both. A later survey does ask about your comfort and any symptoms you may have.