A four-day-old baby crying at night may be caused by insecurity, calcium deficiency, intestinal cramps and other factors.
1. lack of security: the baby after birth because of the separation of the uterus, for the external environment is too strange, easy to lack of security, when the baby feels afraid, fear, there will be crying.
2. Calcium deficiency: If a four-day-old baby lacks calcium in his body, it will lead to increased excitability of the sympathetic nerves and muscles, thus causing symptoms of crying at night.
3. intestinal spasm: four-day-old babies, if the abdomen is stimulated by cold air, it will lead to spasmodic contraction of the smooth muscle of the intestinal wall, which will lead to abdominal pain. When the baby feels the pain, the symptoms of crying at night will appear.
Four-day-old babies cry at night, there may be other reasons, it is recommended to go to the hospital in time to improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.