Postpartum ?

Okay so I have a one year old and a two year old is it possible to get postpartum depression this late I’m always so irritable and angry and I feel like I can’t bond with my two year old son plus he has a speech delay he won’t potty train and he’s on the spectrum for autism it’s just me and my boyfriend we have no help so I have no one to talk to about this please help !

( and yes my kids are safe and not in harms way )