Results: Mean weight retention at sixth weeks postpartum in Thai singleton pregnancy with
normal pre-pregnancy BMI was 4.99 ± 4.03 kg. Nineteenth point four six (36/185)
and zero point five four percent (1/185) of these women became overweight and obesity,
respectively. Gestational weight gain, breastfeeding behavior and daily dietary composition
during postpartum period were the significant factors (P