Table 2.

Prescription of psychotropic medications in young adulthood (ages 25.5–34.0 years) by gestational age at birth (1973–79)

	Gestational age in weeks, %
	23–27 (N = 263)	28–32 (N = 3367)	33–34 (N = 5822)	35–36 (N = 19 347)	37–42 (N = 588 410)	≥43 (n = 18 724)
Medication group
Antipsychotics	3.8	2.1	1.5	1.4	1.0	1.1
Antidepressants	12.6	8.8	7.0	7.2	6.8	7.3
Hypnotics/sedatives	7.2	4.9	4.5	4.2	3.6	3.7
Anxiolytics	4.9	4.9	4.1	3.7	3.2	3.4
Psychostimulants	0.4	0.3	0.2	0.2	0.2	0.2
Any of the above	18.3	14.3	12.3	11.8	10.7	11.5
Oral contraceptives (control medication)	22.8	18.1	19.2	19.2	21.2	20.7