Table 1: Ranges of total and weekly rate of gestational weight gain according to Health Canada's recommendations,^6,7 by prepregnancy BMI category.

Prepregnancy BMI category	Total gestational weight gain, kg	Weekly rate of gestational weight gain, kg
Underweight	12.5-18	0.44-0.58
Normal weight	11.5-16	0.35-0.50
Overweight	7-11.5	0.23-0.33
Obese	5-9	0.17-0.27

Note: BMI = body mass index.