See Table 1 for BMI-specific GWG recommendations.
Underweight BMI and below recommended GWG were
associated with younger maternal age, being nulliparous,
low socioeconomic status, urban residence and being
of East/South Asia/Pacific ethnicity, while overweight
and obese BMI and above recommended GWG were
associated with being parous, living in Atlantic Canada
or the territories and a history of depression.