Pregnancy is one of the vital stages of women life. Weight gaining is common and usual factors during pregnancy due to many reasons such as new baby is growing gradually inside the body of the pregnant women and additional food taking. But in some times unusual weight gaining of the pregnant women is harmful for pregnant women and as well as for the baby. Therefore, techniques have to be taken to lose weight of pregnant women. So that, normal delivery could be conducted without any hazards and complications. Women will take low fat and low calorie foods while how to lose weight while pregnant .