21 year old Alevtyna Savchuk was charged with acting in a manner injurious to a child.
Police say Savchuk left her fully clothed, one-month-old son in a stroller on East Ninth Street and Avenue V in Sheepshead Bay around 11:30 p.m.
A caller notified 911 after finding the stroller between two parked cars.
Savchuk was found at Coney Island Hospital, where she was being treated for intoxication, according to police.
The baby was treated at the hospital before being released to the Administration for Children's Services.