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Beer, breast feeding, and folklore

J A Mennella¹, G K Beauchamp

¹Monell Chemical Senses Center, Philadelphia, Pennsylvania 19104.

Developmental Psychobiology

|December 1, 1993

Summary

Mothers drinking alcoholic beer led to infants consuming less milk due to altered milk flavor. This short-term effect on infant milk intake during breastfeeding requires further investigation into its underlying mechanisms.

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Area of Science:

Lactation and Infant Nutrition
Human Milk Composition
Behavioral Pediatrics

Background:

Maternal diet can influence breast milk composition and infant behavior.
The effects of specific alcoholic beverages on breastfeeding dynamics are not fully understood.

Purpose of the Study:

To investigate the short-term effects of alcoholic beer consumption by nursing mothers on milk sensory qualities and infant feeding behavior.
To quantify infant milk intake and maternal perceptions during breastfeeding after maternal beer consumption.

Main Methods:

A controlled study involving nursing mothers consuming either alcoholic or nonalcoholic beer.
Measurement of infant milk intake, feeding duration, and maternal self-reported experiences during breastfeeding sessions.
Analysis of milk sensory qualities influenced by maternal beer consumption.

Main Results:

Infants consumed significantly less milk when mothers drank alcoholic beer compared to nonalcoholic beer.
The decrease in milk intake was not associated with fewer feeding instances or shorter feeding durations.
Mothers' perceptions of infant satiety and milk availability remained consistent across conditions.

Conclusions:

Alcoholic beer consumption by lactating women alters milk taste, reducing infant milk intake in the short term.
Maternal perceptions of adequate milk transfer are not directly correlated with actual infant intake under these conditions.
The precise mechanism by which alcohol in beer affects infant milk consumption warrants further research.

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