Pregnancy Weight Gain Calculator | Week by Week Tracker | Parenting Hub

Pregnancy brings many physical changes, and one of the most common questions pregnant women ask is: “Am I gaining the right amount of weight during pregnancy?” Weight gain during pregnancy is completely normal and necessary for your baby’s growth and development. However, many pregnant people worry about gaining too much weight or too little weight . Tracking pregnancy weight gain week by week can help you understand whether your weight gain is within a healthy range. The Pregnancy Weight Gain Calculator on Parenting Hub helps pregnant women track recommended weight gain during pregnancy based on their pre-pregnancy BMI and week of pregnancy . Why Tracking Pregnancy Weight Gain Matters Healthy pregnancy weight gain supports both maternal health and fetal development . During pregnancy, weight gain helps support: the child’s growth and development the placenta and amniotic fluid increased blood volume breast tissue development energy stores for breastfeeding after birth Too little weight gain can increase the risk of premature birth or low birth weight , while excessive weight gain may increase the risk of complications such as: gestational diabetes preeclampsia c-section birth This is why health care providers and midwives monitor weight gain during antenatal visits . What Determines Healthy Pregnancy Weight Gain? The recommended amount of pregnancy weight gain depends on your Body Mass Index BMI before pregnancy. Your pre-pregnancy weight and height help determine your BMI category, which is used to estimate the recommended weight gain during pregnancy. General guidelines include: Underweight BMI below 18.5 : 12.5 – 18 kg Normal weight BMI 18.5 – 24.9 : 11.5 – 16 kg Overweight BMI 25 – 29.9 : 7 – 11.5 kg Obese BMI 30+ : 5 – 9 kg These recommendations come from organisations such as the Institute of Medicine, Mayo Clinic, and the Centres for Disease Control . Your health care provider or midwife may adjust these recommendations based on your health history. Pregnancy Weight Gain Week by Week Weight gain during pregnancy usually happens gradually throughout the three trimesters. First Trimester During the first trimester , weight gain is often minimal. Morning sickness, nausea, and appetite changes can affect eating patterns. Most pregnant women gain around 0.5 to 2 kg during this stage. Second Trimester The second trimester is when weight gain becomes more…