First Period After Having Baby?

Kelsey • Mom by Day 👶🏽👶🏽 Vampire by Night 💉
How long after having your baby did you have your first period if you are NOT breastfeeding?
Hubby and I are trying again. After 5 years of TTC and 5 pregnancies this is supposed to be the most fertile we've ever been (right after having a baby) 
We BD for the first time 31 days after having my son and we've been BD'ing every other day since then.
Is it possible to ovulate after having my baby before getting my first period? 
If so is it possible we are already pregnant? When would you say should be the official day that if I don't get my period by then I should test? 8 weeks post? 10 weeks post?