use illicit drugs or relapse during the last trimester of pregnancy
positive drug screen at the time of delivery
allergies to any medications used in the study
taking prescribed gabapentin at the time of admission for CD
contraindications to neuraxial anesthesia or require general anesthesia for CD
designated ASA physical status 4 or above

NCT03335436_exc_T1
Drug
illicit drugs
NCT03335436_exc_T2
Condition
relapse
NCT03335436_exc_T3
Temporal
during the last trimester of pregnancy
NCT03335436_exc_T4
Reference_point
the last trimester of pregnancy
NCT03335436_exc_T5
Condition
pregnancy
NCT03335436_exc_T6
Qualifier
last trimester
NCT03335436_exc_T7
Scope
illicit drugs or relapse
NCT03335436_exc_T8
Measurement
drug screen
NCT03335436_exc_T9
Value
positive
NCT03335436_exc_T10
Temporal
at the time of delivery
NCT03335436_exc_T11
Reference_point
the time of delivery
NCT03335436_exc_T12
Procedure
delivery
NCT03335436_exc_T13
Condition
allergies
NCT03335436_exc_T14
Drug
medications used in the study
NCT03335436_exc_T15
Drug
gabapentin
NCT03335436_exc_T16
Qualifier
prescribed
NCT03335436_exc_T17
Temporal
at the time of admission for CD
NCT03335436_exc_T18
Reference_point
admission for CD
NCT03335436_exc_T19
Procedure
admission
NCT03335436_exc_T20
Procedure
CD
NCT03335436_exc_T21
Condition
contraindications
NCT03335436_exc_T22
Procedure
neuraxial anesthesia
NCT03335436_exc_T23
Mood
require
NCT03335436_exc_T24
Procedure
general anesthesia
NCT03335436_exc_T25
Procedure
CD
NCT03335436_exc_T26
Measurement
ASA physical status
NCT03335436_exc_T27
Value
4 or above