▁juris dict ions , ▁special ization ▁in ▁ped iat rics ▁may ▁begin ▁before ▁completion ▁of ▁this ▁degree . ▁In ▁some ▁juris dict ions , ▁ped iat ric ▁training ▁is ▁begun ▁immediately ▁following ▁completion ▁of ▁entry - level ▁training . ▁In ▁other ▁juris dict ions , ▁junior ▁medical ▁do ctors ▁must ▁undert ake ▁general ist ▁( un stream ed ) ▁training ▁for ▁a ▁number ▁of ▁years ▁before ▁comm encing ▁ped iat ric ▁( or ▁any ▁other ) ▁special ization . ▁Special ist ▁training ▁is ▁often ▁largely ▁under ▁the ▁control ▁of ▁ped iat ric ▁organizations ▁( see ▁below ) ▁rather ▁than ▁univers ities , ▁and ▁depend ▁on ▁juris diction . ▁ ▁Sub special ties ▁Sub special ties ▁of ▁ped iat rics ▁include : ▁ ▁( not ▁an ▁exhaust ive ▁list ) ▁ ▁Ad oles cent ▁medicine ▁ ▁Child ▁ab use ▁ped iat rics ▁ ▁C lin ical ▁inform at ics ▁ ▁Development al - be havior al ▁ped iat rics ▁ ▁Gen et ics ▁▁ ▁Head ache ▁medicine ▁ ▁H osp ice ▁and ▁pal li ative ▁care ▁ ▁Medical ▁to xic ology ▁ ▁Ne on at ology ▁ ▁P ain ▁medicine ▁ ▁Ped iat ric ▁aller gy ▁and ▁imm un ology ▁ ▁Ped iat ric ▁card i ology ▁ ▁Ped iat ric ▁card iac ▁critical ▁care ▁ ▁Ped iat ric ▁critical ▁care ▁ ▁Ne uro crit ical ▁care ▁ ▁Ped iat ric ▁card iac ▁critical ▁care ▁ ▁Ped iat ric ▁emer gency ▁medicine ▁ ▁Ped iat ric ▁end ocr in ology ▁ ▁Ped iat ric