There's been a lot of research coming down the pike lately. Can't tell you that any of it means anything significant to you who are suffering at this very moment. But offering it up for the researchey peeps among you …

Link between oxytocin and postpartum depression

Link betweenbrain-derived neurotrophic factor and antenatal depression(depression during pregnancy)

Whether it's worth testing for PPD in the hospital right after delivery (looks like it may not be very effective, as PPD didn't show up in the majority of mothers screened 1-2 days postpartum)