If a woman gains 30 pounds during pregnancy, the net amount of body fat she gains is about 7 pound. Mostly women's gain somewhere between 25 and 35 pounds .
Mostly 2 to 4 pounds weight is gain during first trimester and then 1 to 2 pound a week for the rest of the entire pregnancy. According to DRIs during pregnancy women's do not need additional calories in their diet until the second trimester, after that 300 to 320 cal/day is recommended .
Increases of folic acid for women's who wish to became pregnant. If she carries more than one then she likely to be gain more weight. Being overweight before pregnancy increases the risk of pregnancy compilations such as high blood pressure , Precambrian and premature birth also c-section needed
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