Oestrogens and progesterone in human milk and their effects on infant health outcomes: A narrative review.

Human milk (HM) is a complex biological system that contains a wide range of bioactive components including oestrogens and progesterone. Whilst maternal oestrogens and progesterone concentrations drop rapidly after birth, they remain detectable in HM across lactation. Phytoestrogens and mycoestrogens, which are produced by plants and fungi, are also present in HM and can interact with oestrogen receptors to interfere with normal hormone functions. Despite the potential impact of HM oestrogens and progesterone on the infant, limited research has addressed their impact on the growth and health of breastfed infants. Furthermore, it is important to comprehensively understand the factors that contribute to these hormone levels in HM, in order to establish effective intervention strategies. In this review, we have summarized the concentrations of naturally occurring oestrogens and progesterone in HM from both endogenous and exogenous sources and discussed both maternal factors impacting HM levels and relationships with infant growth. Copyright © 2023 The Author(s). Published by Elsevier Ltd.. All rights reserved.

Citation

Xuehua Jin, Sharon Lisa Perrella, Ching Tat Lai, Nicolas Lyndon Taylor, Donna Tracy Geddes. Oestrogens and progesterone in human milk and their effects on infant health outcomes: A narrative review. Food chemistry. 2023 Oct 30;424:136375

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PMID: 37209436

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