“I have postpartum depression. No, that doesn’t mean I’m just tired. Nor does it mean I’m suicidal, either. True, PPD can present as either scenario but there is also a huge grey area in between. That’s where the majority of us find ourselves.”
https://www.babycenter.com/609_12-things-a-mom-with-postpartum-depression-needs-you-to-know_20001622.bc