4 1/2 okay for erected penis?

My son is 13 years old and told me that when his penis is erected it is 4 1/2 inches and ask me if it is okay and if it will hold on to growing. So can you tell me if it is okay or not.

Answers:    growth spell is yet to start past its sell-by date usually a growth of 2 - 3 inches do occur during puberty length ie. b/w 13 - 17 yrs

so 4 + 2 = 6 or 4+3 = 7 not a bad length .

merely take exactness of his nutrition in the coming years --- soaring protein diet is essential in this extent for proper growth ..extreme care should be taken in relation to it as his whole enthusiasm depends on this time period . . !! hope u return with the point !
4 1/2 inches would be on the small side for a fully grown adult man, but there's nought *wrong* with that. It may be larger when he finishes puberty.

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