He can't, but that doesn't stop him from haviing sex, which is possible. At this age he can haveе sex without semen.
Better if you don't. In any case, a girl nine years old can usually not get pregnant.
It is impossible for a year old girl to become pregnant.
yes
Girls can become pregnant after receiving their period
yes
If she has started puberty she can.
No.
Yes, you can become pregnant when you are 14 years old. If a girl has started having her monthly periods then having unprotected sex may result in a pregnancy.
16 years old
I think up to 20 years old.
Yes.
Can you become pregnant if you are fifty two years old on low dose hormone replacement therapy?