Rickets, that is, vitamin D deficiency rickets, is a systemic, chronic and nutritional disease characterized by bone lesions. Because of the lack of vitamin D in infants, children and adolescents, calcium and phosphorus metabolism is disordered.

The main feature of rickets is that the growing metaphyseal cartilage plate and bone tissue are not completely calcified, and the lack of vitamin D makes the calcification of mature bones incomplete. The high-risk group of the disease is infants under 2 years old (especially 3 ~ 18 months), and taking enough vitamin D can prevent it.

Extended data

Prevention methods:

1, for full-term infants who are breast-fed or partially breast-fed, vitamin D400IU/ day should be supplemented 2 weeks after birth, and for premature infants, low birth weight infants and twins, vitamin D800IU/ day should be supplemented 1 week after birth; They are all made up until they are 2 years old.

2. Non-breast-fed infants and children whose daily milk volume is less than 1000ml should be supplemented with vitamin D400IU/ day.

3. Teenagers whose intake of vitamin D is less than 400IU/ day should be supplemented with vitamin D400IU/ day if their intake of dairy products is insufficient and there are few eggs or foods fortified with vitamin D..

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