it is known to be secreted in milk.
It is category D drug means evidence of fetal risk is there according to studies performed on humans.
But when used in therapeutic levels risk is said to be low.
Even though the risk to be considered.
when you are feeding since 1 year, why you didn't take this into the notice of your doctor.
Now better you consult pediatrician
and take opinion.
your symptoms may be persistence of epilepsy
because of inadequate dosage or
uncoordinated movements which is side effect of eptoin.
you have to consult your physician regarding this.