Discuss the phenomenon of a 5-month-old baby clenching and using their fists, as well as possible causes of calcium deficiency and recommended medical measures.

Uncontrollable limb trembling during sleep in children may be caused by calcium deficiency or tic disorder.

Discuss the phenomenon of a two-month-old baby twirling and making sounds during night sleep, analyze the possible causes and suggest coping measures.

Explore the phenomenon of a two-month-old baby twirling and making sounds during night sleep, as well as possible causes and suggestions.

A child’s walking development issue may be related to calcium deficiency or other trace element deficiencies.

Discussing whether it is a normal phenomenon for children’s upper teeth to emerge before their lower teeth during the process of tooth growth.

A three-and-a-half-year-old child’s leg pain at night may be due to growth pain or calcium deficiency. It is recommended to increase outdoor activities and supplement calcium. Consider dietary supplements, such as eating foods rich in calcium like pork ribs and milk, or taking children’s calcium tablets. If the pain persists or worsens, it is advisable to take the child to a doctor for a check-up.

A slight hunchback in a child could be a Sequelae of kyphosis. It is recommended to check the serum 25-(OH)D3, blood calcium levels, and bone X-rays for a definitive diagnosis.

Parents inquire if their child’s unsteady walking is due to calcium deficiency, and should take their child to the hospital for a check-up and be mindful of outdoor sun exposure to prevent calcium deficiency.

Discuss the relationship between vomiting white foam in children and calcium deficiency, and provide nutritional improvement suggestions.