gestational weight gain

Gestational weight gain is defined as the amount of weight gain a women experiences between conception and birth of an infant.

The Institute of Medicine (IOM) recommendations for gestational weight gain are based on body mass index (BMI) of women prior to pregnancy. However, early first trimester BMI appears to be a valid proxy for pre-conception BMI. BMI is split up into four categories: underweight (<18.5 kg/m^2), normal weight (18.5-24.9 kg/m^2), overweight (25-29.9 kg/m^2), and obese (≥30.0 kg/m^2). ...