Below, doctors and nutritionists offer 10 important and achievable tips for healthy pregnancy weight gain. 1. start pregnancy at a healthy weight if possible "the most important thing you can do before getting pregnant, in addition to taking prenatal vitamins, is to start your pregnancy at a healthy weight," says lauren hyman, an ob-gyn. Generally, a woman should gain between 25 and 35 pounds during pregnancy, though this varies based on her preconception weight 1 2. with the blessing to gain weight, however, along with the rapidly growing child inside her, some women find it hard to keep within the recommended weight range. fish how to keep healthy weight during pregnancy consumption may reduce stroke risk reduced salt & healthy eating = reduced blood pressure which vitamins prevent chronic disease ? pediatrics alcohol during pregnancy: no amount is acceptable childhood weight may predict weight in adulthood physical activity strengthens children's bones sports an...