dc.description.abstract | Background. The mother's nutritional status, such as body mass index, plays a significant role in the baby's condition. One of the factors that increases morbidity and mortality rates in newborn babies is Low Birth Weight (LBW). Mothers who have a low Body Mass Index (BMI) and mothers who have an excessive BMI both have the possibility of giving birth to babies with abnormal weight. Objective. This research was to determine the relationship between maternal body mass index and newborn baby weight at Prof. Dr. Chairuddin Panusunan Lubis Medan Teaching Hospital. Method. This research is analytical with a retrospective approach. The research population was all mothers giving birth at Prof. Dr. Chairuddin Panusunan Lubis Medan Teaching Hospital. The data collection method uses medical record data. The sampling method uses a consecutive sampling technique. Results. The results of research at the Prof. Dr. Chairuddin Panusunan Lubis Medan Teaching Hospital found as many as 56 mothers, the majority of mothers' BMI was type 1 obesity, namely 34 people, and the majority of newborn babies' weight was standard, there were 52 babies, but there were still four low weight babies found, the weight of the heaviest baby was 3710 grams, and the lowest is 2010 grams. The relationship between maternal body mass index and newborn baby weight at Prof. Dr. Chairuddin Panusunan Lubis Medan Teaching Hospital showed that the value was insignificant, with a p-value = 0.055. Conclusion. There was no significant relationship between the mother's body mass index and the newborn's weight at Prof. Dr. Chairuddin Panusunan Lubis Medan Teaching Hospital. | en_US |