Postpartum depression Depression that happens after giving birth. Related Articles: Glossary: Postpartum psychosisPremenstrual Dysphoric Disorder & the Language of DiagnosisHave you heard of Premenstrual Dysphoric Disorder? Not likely. Sasha Co- Founder of Psych n Sex, previous writer and campus educator for the Kinsey Institute & published psychology researcher. Manhattan girl obsessed with post ww2 abstract expressionism, beet juice, vintage clothing & Scandinavia.