The longitudinal changes in the transitional milk yields of Korean lactating women(14 primiparae, 11 multiparae) have been studied by test-weighing method in the part of Kangwon Province from 7 days to 15 days postpartum.
The transitional milk yields at 7, 10, 15 days postpartum were 531±148, 598±156and 639±169g, respectively. The mean milk yield was 589±162g from 7 to 15 days postpartum. The transitional milk yields between primiparae and multiparae appeared
not
significantly different but significantly different between mothers of boy and girl (p<0.05). The distribution of individual transitional milk yields were found 550-649g(28.0%), 450-549g(24.0%), 650-749g(13.3%) and 750-849g(13.3%). The
transitional
milk
yields were not affected by nother's age, weight gain during pregnancy, gestational period and infant's weight at birth but affected by maternal height(p<0.05). Maternal weight reduction during the lactation had no correlation with the
transitional
milk
yeilds.
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