What are the common types of growth retardation in children? 1. pituitary growth retardation 2. hypothyroidism 3. congenital ovarian insufficiency 4. idiopathic dwarfism 5. systemic diseases of precocious puberty causing dwarfism 6. familial dwarfism 7. somatic growth retardation 8. dwarf children younger than gestational age 9. pituitary growth retardation 10. hypothyroidism 11. congenital ovarian insufficiency 12. idiopathic dwarfism 13. Systemic diseases of precocious puberty causing dwarfism