Well, I don't know that I can actually, er help you...
After an episiotomy it was nearly 7 months before I could dtd without discomfort. Part of it was pyschological - you know, like when you flinch before something you expect to be painful? It always makes it hurt worse. Maybe that's part of your problem.
It's quite normal in the months immediately after birth to be a bit low in natural lube due to suppressed estrogen levels when breastfeeding. that'll sort itself out in the coming months (no pun).
A lot of women report more intense orgasm after having a baby - so that's something to look forward to once you have this sorted. It's still early days yet - give yourself time and keep talking with your DH.