If you have symptoms like these, you need to see a doctor right away, especially if they are sudden and severe. In most cases, pulmonary embolism is caused by a blood clot in the leg that breaks loose and travels to the lungs. A blood clot in a vein close to the skin is not likely to cause problems. But having blood clots in deep veins (deep vein thrombosis) can lead to pulmonary embolism.
â A daily increase of 340 calories is recommended during the second trimester of pregnancy, and an increase of 452 calories is recommended during the third trimester of pregnancy. â The nutritional requirements of women who are pregnant or lactating involves more than increased caloric intake.
Eating the right number of calories lets you and your baby gain the proper amount of weight. During the first 3 months of your pregnancy, you do not need to change the number of calories you are eating. Normal-weight women need an extra 300 calories each day during the last 6 months of pregnancy. This totals about 1,900 to 2,500 calories a day. If you were underweight, overweight, or obese before you became pregnant, or if you are pregnant with more than one baby, you may need a different number of calories. Talk to your health care provider about how much weight you should gain and how many calories you need.