The most common reasons for leg and stomach cramps when pregnant women are pregnant are as follows: first, calcium deficiency, pregnant women’s own bone health and fetal growth and development every day need more calcium, so pregnant women should be appropriate calcium supplements to meet this need, pregnant women are prone to leg and stomach cramps in the absence of calcium, so you need to supplement their own calcium supplements or go to the hospital to find a doctor to diagnose and then supplement the appropriate calcium supplements; second, Excessive exercise during the day pregnant women, resulting in excessive accumulation of metabolic products in the calf, which is prone to leg and stomach cramps, if this is the case, you can appropriately reduce the amount and intensity of exercise, localized appropriate massage and hot compresses, appropriate elevation of the affected limbs in the middle of the night, you can alleviate the symptoms.