Résumé :
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We studied how short-term milk synthesis responds to milk removal by observing breast volume before and after each breastfeed over 24 h periods within the homes of seven lactating mothers, using the Computerized Breast Measurement system. Short-term rates of milk synthesis varied markedly between the breasts of individual mothers, varied markedly between interfeed intervals for individual breasts and, for six of the thirteen breasts studied, were positively related to the degree to which the breast was emptied (r2 ranging from 0.32 to 0.95). In addition, the infants rarely emptied the breasts of available milk (mean +/- S.D. of degree of emptying postfeed = 76 +/- 20%, n = 147) and, within women, storage capacity of a breast was related to the demand for milk from that breast (r2 = 0.91, P
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