Pregnant women’s waist and hip pain may be caused by calcium deficiency, ligament laxity, pelvic pubic bone separation and other reasons due to pregnancy. 1. Calcium deficiency: after pregnancy, the calcium content in the body increases, if you don’t take calcium supplements, it will lead to back pain, crotch pain, etc., you can follow the doctor’s instructions to take calcium supplements, you can take calcium gluconate, calcium carbonate and so on. 2. Ligament laxity: pregnant women after pregnancy, the body will secrete the corresponding hormones lead to pelvic ligaments become lax, this time with the increase of the uterus, women’s body changes, easy to cause pregnant women to appear waist and hips pain symptoms, this is normal, do not need to be too nervous. 3. Separation of the pelvis and pubic bone: During pregnancy, as the uterus grows, the pelvis and pubic bone will separate, which will lead to the symptoms of pain and discomfort in the lower back and hips. It is recommended that pregnant women should pay attention to rest during pregnancy, avoid lifting heavy objects and strenuous exercise, and usually pay attention to regular maternity checkups, to find problems at any time at any time.