<s>[INST] Hi, may I answer your health queries right now ? Please type your query here...Hi it s come to my attention that my soon to be 1 yr old has never had an erection where as my sisters boys get them everytime u change there nappie should I be concerned about this or not? [/INST] Hello, It is not mandatory at this age and no definite treatment is required. Hope I have answered your query. Let me know if I can assist you further. Take care Regards, Dr Shinas Hussain, General & Family Physician </s>