Glossary

Term · Feeding Your Baby

engorgement

Also: breast engorgement, engorged breasts, full breasts

Swollen, hard, painful breasts that can come with milk coming in. Usually eases within a day or two of regular milk removal, with warmth, feeding, or pumping.

In plain words

Engorgement is when the breasts become very full, hard, hot, and tender. It often happens as milk comes in, usually around days three to five after birth. Breasts can feel tight and heavy, and the skin may look shiny. A baby may have trouble latching when the breast is very full. Many mothers find that feeding or pumping often, and sometimes using warmth before feeding and cool packs after, can ease the fullness. Engorgement can last a few days and then settles as supply matches demand. If you have a fever, a red wedge-shaped area, or pain that is getting worse, call your provider the same day, because those can be signs of a or .

The deeper version

Engorgement is a physiological increase in breast volume from venous and lymphatic congestion, interstitial edema, and milk stasis during the from . It is most marked around days 2 to 5 postpartum. The Academy of Breastfeeding Medicine's Clinical Protocol #20 addresses engorgement. Excessive distension is thought to reduce milk synthesis through the local , although the magnitude of this effect in humans is debated. Severe engorgement is a risk factor for mastitis.

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Sources

  • Academy of Breastfeeding Medicine — ABM Clinical Protocol #20: Engorgement, 2016 revision
  • Academy of Breastfeeding Medicine — ABM Clinical Protocol #3: Supplementation of the breastfed term newborn, 2017
  • Dewey KG et al. — Risk factors for suboptimal infant breastfeeding behavior, delayed onset of lactation, and excess neonatal weight loss. Pediatrics, 2003

The Mothership Topic Wiki is general information for mothers and the people who care for them. It is not medical, legal, or mental-health advice and does not create a provider relationship. Experiences posted by members are their own. In an emergency call 911. If you are having thoughts of harming yourself, call or text 988.