Talk to Gynecologist on Medicine In Pregnancy

Salaam doctor. Im 20 years old and i hav7e been suffering from spinal disc /nerves compression since long.. so the doctor prescribed me Zeegap( Pregabalin) daily at night... Ive been taking it regularly since 2 months.. Now, this week, i came to know im 5 weeks pregnant. is this medicine safe in pregnancy or should i stop it immediately? My doctor has advised to stop it altogether but I have heard you cannot stop it rather decrease the dose gradually and than stop.. Kindly guide .. thanks