not usually no. in klinefelter syndrome a male is born with at least one extra x chromosome. most males have one x and one y chromosome. klinefelter males have an xxy chromosomal structure. this condition usually renders these men infertile meaning they cannot father children. they can have a normal sex life however. if you suspect you (or your son) may have klinefelter syndrome your doctor can tell for sure with a simple blood test. if the condition is detected before puberty testosterone can be given to help with normal body development. i hope this provides the information you need.
can a man with klinefelter syndrome have babies?