Normal, steady weight gain is a characteristic of a pregnancy that is progressing well. On average, a woman should gain approximately 0.45 kg/week during the middle months of pregnancy, and about 0.4 kg/week during the final 3 months. In well-nourished women, average total weight gain during pregnancy is about 10.5-12.5 kg.4
In the USA and Western Europe many mothers gain too much weight during pregnancy. This can harm both the baby and the mother. Excess weight gain increases the chance of having a larger baby, which can prolong labor and may reduce oxygen supply to the baby during delivery. In the mother, too much weight gain increases risk of developing high blood pressure during pregnancy and makes returning to the prepregnancy weight more difficult, increasing risk of later obesity.4
Was this article helpful?