Discussion
Postpartum weight retention is the amount of weight gain during pregnancy that the woman has at a given time point postpartum.(1) Excess retention of postpartum weight is one of the risk factors resulting medical diseases in the future especially obesity and metabolic syndrome, which consequently cause the adverse health problems such as diabetes mellitus and cardiovascular disease.(8,9) Mean postpartum weight retention from the previous studies had been varied country to country. The Chinese mothers whose average pre-pregnancy BMI of 20.4 kg./m2. had the postpartum weight retention of 6.77 kg.,(18) while those from the other study varied from 3-7 kg.