The numbness in the hands after pregnancy is generally considered for the following three reasons: first, it may be due to low calcium in pregnancy, because in the middle and late stages of pregnancy, the daily demand for calcium will increase greatly compared with the usual, if not timely replenishment, it may lead to numbness in the hands; second, it may be due to the enlargement of the uterus and pelvic movement after pregnancy, resulting in the surrounding tissues being Thirdly, it may be due to a hormone called relaxin that occurs in the body during pregnancy, which may cause the joints to not be connected closely, which may also lead to nerve conduction disorders, thus causing numbness in the hands, but the specific situation should be checked at the hospital and treated according to the doctor’s recommendations.