What the ideal weight for pregnant?

Increase in pregnancy take several forms, either increase the uterine weight of up to 900 grams almost or to weigh the placenta 650 grams almost or weigh up the liquid surrounding the fetus (liquid Alomenusy) 800 grams almost or more than blood and its components up to 1250 grams nearly as may withhold fluid in the tissues of the body for up to approximately 2000 grams, so the increase in normal-weight pregnant women should not exceed 12 kg during pregnancy and the fat woman should not exceed the rate was 20 kg with emphasis on eating healthy meals integrated during pregnancy.