Spearman’s correlation coefficients (<i>r_s</i>) between background variables/other potential risk factors for PPD^† measured in pregnancy, and the omega-3 index^‡ in pregnancy, and EPDS^§ score postpartum (n = 35).

*<p>Significant at <i>p</i><0.01.</p>†<p>Postpartum depression.</p>‡<p>The content of EPA+DHA in red blood cell membranes expressed as a percent of total fatty acids.</p>§<p>Edinburgh postpartum depression scale.</p>∥<p>n = 33 (two participants with no partner).