Adjusted relative risk ratios of each adverse pregnancy outcome relative to live birth in each antenatal drug exposure category compared with un-medicated antenatal depression or anxiety.

aExposures were depression or anxiety with or without exposures to different classes of antidepressants or anti-anxiety drugs. All categories were mutually exclusive.
bReference was unmedicated depression or anxiety during the first trimester of pregnancy.
cRelative risk ratio adjusted for maternal age at the end of pregnancy, household socioeconomic status, maternal smoking status before delivery and body mass index before pregnancy.
TCAs = tricyclic antidepressants.
SSRIs = selective serotonin reuptake inhibitors.
CI = confidence interval.