What are the known risk factors for development of rickets?

Nutritional risk factors

* Vitamin D deficiency

* Calcium deficiency

* Phosphorus deficiency

Medical risk factors

* Prematurity

* Low birth weight

* Multiple births

* Chronic kidney disease

* Liver disease

* Celiac disease

* Crohn's disease

* Cystic fibrosis

Environmental risk factors

* Dark skin (less vitamin D production)

* Living in northern latitudes (less sunlight exposure)

* Air pollution

* Sunscreen use

Genetic risk factors

* Some genetic disorders, such as hypophosphatemic rickets, can increase the risk of developing rickets.