Generalized weakness and leg weakness in pregnancy is usually caused by physiological factors. In the early stages of pregnancy there is a drastic change in hormone levels, pregnancy vomiting, there will be nausea, vomiting, anorexia, easy to cause a decrease in blood pressure, malnutrition or hypoglycemia, which will lead to generalized weakness and weakness. The symptoms will be relieved if you increase nutrition, eat easy-to-digest food, and relax. If you have weakness in the middle and late stages of pregnancy, you should consider whether it is caused by calcium deficiency. The rapid growth of the fetus will lead to calcium deficiency in pregnant women, as well as symptoms such as leg cramps and generalized weakness. In the later stages of pregnancy, due to the rapid growth of the fetus, the uterus enlarges significantly affecting blood circulation, which can also lead to generalized weakness and weakness of the legs. If the symptoms cannot be relieved by self-medication, it is recommended to consult a doctor in the hospital, except for those caused by other diseases.