Introduction
Postpartum weight retention is the amount of weight gain during pregnancy that the woman has at a given time point postpartum.(1) In this study, we focus on postpartum weight retention at the end of fetal weight, placenta weight and the amount of amniotic fluid. According to WHO recommendation, normal pre-pregnancy body mass index (BMI) for Asian populations should be 18.5 – 24.9 kg/m2. (2) The appropriate gestational weight gain for normal pre-pregnancy BMI mothers is 11.5 – 16 kg. according to the Institute of Medicine (IOM 1990) recommendation.(3) The maternal weight should be declined their pre-pregnancy weights at sixth weeks postpartum.(4) Nevertheless, previous studies showed that only 15-28% of pregnant women could resume their pre-pregnancy weight.(4-6) The average postpartum weight retention was 3-7 kg. with no difference among races.(7) The excess postpartum weight retention is the adverse effect causing obesity and metabolic syndrome in the later life. Obesity has been described in recent years as an important public health problem, its important determinant role in the occurrence of cardiovascular diseases, hypertension and diabetes. The reproductive cycle, and especially pregnancy and the subsequent postpartum months, is recognized as a risk period for the development of obesity, manifested principally as postpartum weight retention.(8) Metabolic syndrome is also associated with diabetes mellitus and cardiovascular disease which are the major causes of death in adult.(9) Furthermore, there are many factors affecting postpartum weight retention in the previous study of different countries, for example, gestational weight gain, parity, pre-pregnancy BMI, total family income, breastfeeding, diet control, and physical activities.(8,10-17) The purpose of this study is to determine the mean postpartum weight retention in Thai singleton pregnancy with normal pre-pregnancy body mass index at sixth week postpartum period.
แนะนำ Postpartum weight retention is the amount of weight gain during pregnancy that the woman has at a given time point postpartum.(1) In this study, we focus on postpartum weight retention at the end of fetal weight, placenta weight and the amount of amniotic fluid. According to WHO recommendation, normal pre-pregnancy body mass index (BMI) for Asian populations should be 18.5 – 24.9 kg/m2. (2) The appropriate gestational weight gain for normal pre-pregnancy BMI mothers is 11.5 – 16 kg. according to the Institute of Medicine (IOM 1990) recommendation.(3) The maternal weight should be declined their pre-pregnancy weights at sixth weeks postpartum.(4) Nevertheless, previous studies showed that only 15-28% of pregnant women could resume their pre-pregnancy weight.(4-6) The average postpartum weight retention was 3-7 kg. with no difference among races.(7) The excess postpartum weight retention is the adverse effect causing obesity and metabolic syndrome in the later life. Obesity has been described in recent years as an important public health problem, its important determinant role in the occurrence of cardiovascular diseases, hypertension and diabetes. The reproductive cycle, and especially pregnancy and the subsequent postpartum months, is recognized as a risk period for the development of obesity, manifested principally as postpartum weight retention.(8) Metabolic syndrome is also associated with diabetes mellitus and cardiovascular disease which are the major causes of death in adult.(9) Furthermore, there are many factors affecting postpartum weight retention in the previous study of different countries, for example, gestational weight gain, parity, pre-pregnancy BMI, total family income, breastfeeding, diet control, and physical activities.(8,10-17) The purpose of this study is to determine the mean postpartum weight retention in Thai singleton pregnancy with normal pre-pregnancy body mass index at sixth week postpartum period.
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