Association between antidepressant use during pregnancy and autism spectrum disorder in children: a retrospective cohort study based on Japanese claims data

Table 2 Type of antidepressant used and prevalence of antidepressant use in each trimester

	Prevalence of antidepressant use in each trimester^a), n (%)
	All	First	Second	Third
Type of antidepressant
All types	195	187	72	58
SSRIs	152 (77.9)	145 (77.5)	62 (86.1)	48 (82.8)
SNRIs	10 (5.6)	10 (5.3)	3 (4.2)	3 (5.2)
Other	50 (25.6)	49 (26.2)	15 (20.8)	13 (22.4)

Abbreviations: SSRI selective serotonin reuptake inhibitors, SNRIs serotonin-norepinephrine reuptake inhibitors
^a)The 9 months prior to the birth month of the child were divided into 3 × 3-month intervals, namely the first, second, and third trimesters.