Table 1.

Sample demographics.

Cohort	Johns Hopkins Prospective PPD Cohort	Johns Hopkins Neuroimaging Cohort	UC Irvine Cohort	Emory Cohort
Total	51	68	113	53
EPDS ≥ 13	29*	8	13	4
EPDS < 13	22*	60	82	49
PPD Assessment	Prospective Clinical	Prospective EPDS	Prospective EPDS	Prospective EPDS
1st trimester	9	0	107	53
2nd trimester	22	0	111	0
3rd trimester	20	68	113	53

^*Numbers reflect women clinically assessed as having postpartum depression.