HELP I need advice!!

Raquel • Married.Mom 👦🏻 10/15/14. 👧🏻 2/12/19. 👧🏻 12/21/20 trying for baby #4

So here my story me n hubby have a 3yo son. I got my nexplaneon out sept 15 and we have been TTC baby #2 for almost 2 months now and still no luck. Unfortunately AF showed up today u expected I was t supposed to get til Nov 14th. Any tips on TTC after BC after AF is gone. Plz we really want another baby soon.