On average, during pregnancy, a woman gains 10-12 kg. This is a physiological phenomenon, therefore, after childbirth, weight returns to the usual indicators. But in some cases, women relax, do not control nutrition and lead an inactive lifestyle, which causes a gain of 15 kg or more. It is very difficult for them to lose weight. In addition, excess kilograms affect health and cause illness. It is better to familiarize yourself with the recommendations in advance, which will tell you how not to get better during pregnancy.