How much weight gain is normal during pregnancy?\r\n\r\nYou are expected to gain approximately 25 \u2013 35 lbs (11 \u2013 16kg) in pregnancy. However, the appropriate weight gain in pregnancy actually depends on your pre pregnancy weight or body mass index.\r\n\r\nBody mass index (BMI) =\u00a0your weight in kg\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0your height in meter2\r\n\u00a0\r\n\r\nFor Asians, the BMI are categorized slightly different compared to the Caucasian populations.\r\n\r\n\r\n\r\n\r\n\r\n\r\n\u00a0BMI\r\n\r\n\r\n\r\nClassification\r\n\r\n\r\nRisk compared to normal weight\r\n\r\n\r\n\r\n<18.5\r\n\r\nUnderweight\r\n\r\nIncreased\r\n\r\n\r\n\r\n18.5 \u2013 22.9\r\n\r\nNormal\r\n\r\nNormal\r\n\r\n\r\n\r\n\u2265 23\r\n\r\nOverweight\r\n\r\nIncreased\r\n\r\n\r\n\r\n23 \u2013 24.9\r\n\r\nAt Risk\r\n\r\nHigh\r\n\r\n\r\n\r\n25 \u2013 29.9\r\n\r\nObese Class I\r\n\r\nSevere\r\n\r\n\r\n\r\n\u2265 30\r\n\r\nObese Class II\r\n\r\nVery High\r\n\r\n\r\n\r\nTable 1: WHO Guidelines on Asian BMI values 1\r\n\r\n\r\nTherefore, depending on your pre pregnancy weight, the ideal expected weight gain in pregnancy is shown below. As you can see the higher your BMI pre pregnancy, the less weight you should be gaining during pregnancy.\r\n\r\n\r\n\r\n\r\n\r\n\u00a0 Pre Pregnancy BMI\r\n\r\n\u00a0\u00a0 Expected weight gain in pregnancy (in lbs)\r\n\r\n\r\n\r\n\u00a0\u00a0Underweight\r\n\r\n\u00a0\u00a0 25 \u2013 37\r\n\r\n\r\n\r\n\u00a0 Normal\r\n\r\n\u00a0\u00a0 25 \u2013 35\r\n\r\n\r\n\r\n\u00a0 Overweight\r\n\r\n\u00a0\u00a0 15 \u2013 25\r\n\r\n\r\n\r\n* 1 kg = 2.2 lb\r\n\r\n\r\nThe expected rate of weight gain throughout pregnancy also depends on your BMI:\r\n\r\n\r\n\r\n\r\n\r\nPre Pregnancy BMI\r\n\r\n1st Trimester\r\n\r\n2nd Trimester\r\n\r\n3rd Trimester\r\n\r\n\r\n\r\n\u00a0 Underweight\r\n\r\n5- 6 lb\r\n\r\n1 \u2013 2 lb \/ week\r\n\r\n1 \u2013 2 lb \/ week\r\n\r\n\r\n\r\n\u00a0 Normal\r\n\r\n3 \u2013 5 lb\r\n\r\n1 \u2013 2 lb \/ week\r\n\r\n1 -2 lb \/ week\r\n\r\n\r\n\r\n\u00a0 Overweight\r\n\r\n1- 2 lb\r\n\r\n1 lb \/ week\r\n\r\n1 lb \/ week\r\n\r\n\r\n\r\n*1 kg = 2.2lb\r\n\r\n\r\nWhere does all the extra weight go to?\r\n\r\n\tBaby: 7-8 pounds\r\n\tPlacenta: 1-2 pounds\r\n\tAmniotic fluid: 2 pounds\r\n\tUterus: 2 pounds\r\n\tMaternal breast tissue: 2 pounds\r\n\tMaternal blood : 4 pounds\r\n\tFluids in maternal tissue: 4 pounds\r\n\tMaternal fat and nutrient stores: 7 pounds\r\n\r\n\u00a0\r\nWill there be any problem if I gain too little or too much weight during pregnancy?\r\n\r\nYour doctor will monitor your weight gain throughout pregnancy as too much or too little weight gain may indicate problems. Too little weight gain in the mother could indicate overall poor maternal nutrition that could lead to poor baby growth and increased risk of premature delivery. On the other hand, too much weight gain could cause an increased risk of high blood pressure, back ache, leg pain, varicose vein, increased fatigue, diabetes and a big baby which may cause increased risk of operative delivery in the mother. In addition, sudden weight gain especially in the third trimester could be early signs of high blood pressure. This patient may also notice increased puffiness\/ swelling of the hands and face.\r\n\u00a0\r\n\r\nWhat can I do if I gained \u2018too much weight\u2019 during pregnancy?\r\n\r\nFirstly, before you worry too much and get depressed about your weight gain. You need to be aware that weight gain in pregnancy is healthy and totally normal. Make sure you eat healthy nutritional food and exercise in moderation. Trying to loose weight is not encouraged during pregnancy.