title: Letter: Narcotic abuse during pregnancy.
mesh_terms: D005260:Female; D005333:Fetus / Q000187:drug effects*; D006801:Humans; D009294:Narcotics / Q000009:adverse effects*; D011247:Pregnancy; D011248:Pregnancy Complications; D019966:Substance-Related Disorders / Q000151:congenital
chemical_list: D009294:Narcotics