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New Study: Is colostrum expressed BEFORE birth the same as colostrum produced AFTER birth?

Toni Harman
7 min readMar 21, 2025

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NEW STUDY: Is colostrum expressed BEFORE birth the same as colostrum produced after birth? microbiomecourses.com

Colostrum is the first milk produced by the mother’s mammary glands.

It is a thick, yellowish fluid that is nutrient-dense (even in tiny doses). Colostrum is high in proteins, fats and micronutrients, plus it contains many immunological components, antibodies, and human milk oligosaccharides (more on these later).

This blog-article is about the potential benefits of expressing colostrum BEFORE birth, and explains some fascinating new research!

If you like this blog-article — please follow me on Medium https://toni-harman.medium.com/

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About Harvesting Colostrum

Expectant mothers can start to produce colostrum early — starting between 12 and 18 weeks of pregnancy.

Colostrum harvesting describes when an expectant mother expresses and collects breast milk BEFORE the birth.

Expressing milk in pregnancy can ensure new parents have a readily available supply of highly nutritious colostrum to give a baby immediately after birth.

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Toni Harman
Toni Harman

Written by Toni Harman

I help parents and health professionals better understand the science of pregnancy, birth, breastfeeding and the microbiome. http://microbiomecourses.com

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