Risk factors for preterm birth among opiate-addicted gravid women in a methadone treatment program
American Journal of Obstetrics and Gynecology, 07/30/2009
Almario CV et al. – The PTB rate among women on methadone (29.1%) is nearly 3 times the national average (11.1%), and those abusing 2 or more supplements to methadone are at further increased risk for PTB.







