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Elisabeth Anderson Sierra

Oregon-based person with hyperlactation syndrome

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About Elisabeth Anderson Sierra

Elisabeth Anderson Sierra was an American.

Elisabeth Anderson Sierra (born ) is an American woman who holds the Guinness World Record for the largest individual donation of breast milk.

Family and life Anderson Sierra is a resident of Aloha, Oregon. She is married to David Sierra, and together they have two daughters and a son. She has a medical condition called hyperlactation syndrome characterized by excessive breast milk production, which leads to milk overflow. Anderson Sierra has been actively involved in donating breast milk to both local families and recipients worldwide. , her estimated total donation of breast milk amounts to over .

Hyperlactation syndrome In 2014, Sierra was diagnosed with hyperlactation syndrome, a medical condition characterized by an excessive production of breast milk. Approximately midway through her initial pregnancy, she found herself producing a substantial amount of breast milk, approximately per day. During her prenatal appointments, she communicated her milk volume in ounces while her midwife and doctor mistakenly understood it to be in milliliters. In truth, she was producing far more milk than the 45 milliliters considered normal during pregnancy.

As a result of this syndrome, Sierra produces approximately of breast milk per day, which is nearly 8 to 10 times the amount produced by an average mother.

Sierra has been collaborating with a breast pump company to make breastfeeding easier for nursing moms.

Record Milk sharing is the act of donating breast milk, either packaged or by directly breastfeeding a recipient's infant. This can supplement or replace infant formula or the infant's mother's milk if either is unavailable or unsuitable.

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Important facts

Nationality

Frequently asked questions

Who was Elisabeth Anderson Sierra?

Oregon-based person with hyperlactation syndrome

What nationality was Elisabeth Anderson Sierra?

Elisabeth Anderson Sierra was American.

Sources & further reading

· Wikipedia: Elisabeth Anderson Sierra

· Wikidata: Q78173169

· DBpedia: Elisabeth Anderson Sierra

Cite this page

APA: Biography.guide. (2026). Elisabeth Anderson Sierra. https://biography.guide/elisabeth-anderson-sierra/

MLA: "Elisabeth Anderson Sierra." Biography.guide, https://biography.guide/elisabeth-anderson-sierra/.

Chicago: "Elisabeth Anderson Sierra." Biography.guide. https://biography.guide/elisabeth-anderson-sierra/.

Data last updated: 2026-09-20 · Spot an error? Report a correction.

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