Table 1

Drug exposure and systemic findings

Patient no.	Gestation (weeks)	Methadone	Heroin	BDZ	Other drugs	Alcohol	Treatment for NAS	Other diagnoses	Brain scans
1	38	✓
2	32	✓				✓		Preterm, developmental delay
3	39	✓		✓
4	40	✓		✓	Cannabis
5	38	✓					✓		MRI: abnormal white matter signal
6	39	✓	✓				✓
7	40	✓	✓	✓		✓	✓	Mild cerebral palsy
8	38	✓			Cocaine		✓		CT normal
9	36	✓	✓	✓	Cocaine		✓		MRI normal
10	34	✓		✓	Cannabis		✓	Preterm
11	40	✓		✓	Cannabis		✓
12	35	✓	✓	✓	Cannabis		✓	Developmental delay, dysmorphic
13	40	✓	✓				✓	Developmental delay
14	38	✓				✓
15	36	✓		✓			✓		MRI normal
16	38	✓			Antidepressants (not specified)
17	41	✓	✓	✓			✓
18	40	✓	✓	✓	Cannabis		✓
19	37	✓						Developmental delay	MRI normal
20	39	✓	✓	✓	Dihydrocodeine

BDZ, benzodiazepines; CT, computerised tomography; MRI, magnetic resonance imaging; NAS, neonatal abstinence syndrome.