This chapter contains sections titled: Recommended weight gain - the Institute of Medicine Guidelines Optimal weight gain in class 2 and 3 obesity Gestational weight gain among obese women Ongoing controversy over optimal weight gain range for obese women: studies supporting restricted weight gain (less than IOM guidelines) for obese women Possible risks associated with restricted weight gain among obese women The role of prenatal counseling Studies of interventions to prevent excessive gestational weight gain among obese women Nutrition for obese pregnant women (Table 9.2) Postpartum weight concerns in obese women References Other useful online resources