Pregnancy will suddenly feel like pins and needles in the toes to consider trauma, calcium deficiency, need to be based on the cause of the symptomatic treatment. 1. trauma: pregnant women in the process of pregnancy if the external impact may lead to this symptom, generally do not need to be overly nervous, there is no need to use medication to treat the slightest tingling, usually need to rest, may be a few days after the gradual recovery. 2. Calcium deficiency: If the body lacks calcium, it may lead to increased excitability of the nervous system, osteoporosis, so this symptom will occur, you can use calcium gluconate oral solution, calcium carbonate granules and other drugs under the guidance of the doctor. Pregnant women during pregnancy should pay attention to do a good job of prenatal checkups, actively listen to the advice of professional doctors to do a good job of comprehensive care and health care, pay attention to more rest, at the same time should be relaxed, to avoid nervousness, anxiety, there is any discomfort should be timely to the hospital, by the doctor to clarify the diagnosis, and cooperate with the doctor to deal with the symptoms.