1. What are leg cramps in pregnant women? Pregnant leg cramps are a painful sensation experienced by pregnant women during pregnancy, usually at night or while resting. This painful feeling is usually caused by a sudden muscle contraction, mainly manifesting as tension and pain in the leg muscles. 2. What are the causes of leg cramps in pregnant women? The cause of leg cramps in pregnant women may be related to a variety of factors. The main reason is the lack of trace elements such as calcium and magnesium in pregnant women, which leads to nerve and muscle dysfunction. In addition, during pregnancy, blood volume increases, expands, and pressure