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Alcohol and breast feeding: calculation of time to zero level in milk
1Motherisk Program, Division of Clinical Pharmacology and Toxicology, Hospital for Sick Children, Toronto, Ont., Canada.
Objective:
To create a nomogram that will guide lactating women who drink socially on how to avoid neonatal exposure to ethanol through breast milk.
Design:
Pharmacokinetic modeling of ethanol elimination from milk based on reference values. Calculation of the time to zero alcohol in breast milk for a range of doses and body weights.
Results:
The elimination of alcohol and time-to-zero levels in breast milk are described in a nomogram as a function of the amount of alcohol consumed and the body weight of the woman.
Conclusions:
Careful planning of a breast feeding schedule, by storing milk before drinking and/or waiting for complete alcohol elimination from the breast milk, can ensure women that their babies are not exposed to any alcohol.
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