Comparison of Breastfeeding Behaviors and Rate of Milk Transfer among Preterm Infants Sucking Emptied Breast with Different Frequency
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Abstract
This quasi-experimental study with two groups pretest-posttest design aimed to compare breastfeeding behaviors and rate of milk transfer between preterm infants who sucked at their mother’s emptied breast four times a day and those who sucked at the emptied breast twice a day. The study sample included 22 pairs of mothers and their preterm infants who had postmenstrual age between 34 - 36 weeks and were admitted to Neonatal Semi-intensive Care Unit, Faculty of Medicine Vajira Hospital, Navamindradhiraj University. The sample was divided into two groups with 11 pairs in each. The subject was assigned to the experimental group and the comparison group through sampling without replacement. The experimental group included preterm infants who sucked at their mother’s emptied breast four times a day, and those in the comparison group were allowed to suck at the emptied breast twice a day. Both groups were arranged to have sucking experiences for 7 consecutive days. Breastfeeding behaviors were assessed by the Preterm Infant Breastfeeding Behaviors Scale (PIBBS) had been verified for content validity and the percentage of agreement was 92 percent of inter-rater reliability. Rate of milk transfer was assessed by a record form of the amount of milk sucked by infants. The data were analyzed using Mann-Whitney U Test.
The results of the study revealed that the experimental group had a higher score of breastfeeding behaviors after the experiment than the comparison group with statistical significance (p-value < .05). However, the experimental group and the comparison group showed difference in rate of milk transfer without statistical significance (p-value > .05). From the findings of the study, it is suggested that further studies should be study with large sample size, and should be increased the number of days of sucking at emptied breast to compare rate of milk transfer between preterm infants who have sucking experience of four times a day and twice a day.
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