Summary
Mammary constriction syndrome (MCS) is a condition that can cause burning, stabbing, throbbing, and/or “pins and needles” pain in the nipple and/or in the breast during breastfeeding.
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It is treated with pectoral muscle massage, which involves rubbing the chest muscles for 45-60 seconds on the affected side.
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Other causes of deep breast pain include engorgement with breast milk or mastitis, and can be found through seeking skilled help from an International Board Certified Lactation Consultant.
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According to
