You should take the prescribed vitamins, iron or folic acid supplements as directed. If you have any problems taking them, tell your health care provider or nurse. Weight Gain Weight gain is important and healthy during pregnancy. It helps prevent babies from being too small and reduces the likelihood of many health problems. On average, you should gain 25 to 35 pounds during your pregnancy.
Most women gain two to four pounds during the first trimester.
This weight is necessary for baby's growth and for extra tissue, muscle, fluids and blood for you. Uterus 2 Total 29.5 to 30.5 pounds Safety Be careful to avoid poisoning by cooking meats properly and avoiding foods that are not pasteurized, such as soft cheese. During the second trimester, your breast, uterus and blood volumes are increasing, and you will gain an average of 12 pounds. During these three months, your body needs 300 extra calories per day. Protein is very important.