The youngster was recently declared brain dead by doctors after a recent jet-ski accident in Georgia.
Sources tell TMZ that Raymond cannot afford hospital bills and will thus have to remove her son from life support when her insurance company stops paying for his care.
The insurance company has allegedly informed Raymond that they are only prepared to continue to make payments for a couple of months at most.
Friends go on to claim that Usher, who became stepfather to Glover during his marriage to Raymond, has not offered to pay for any medical bills.
The musician recently postponed a scheduled appearance on the ESPY awards in the wake of his stepson's accident.