I got clucky about 3 months after I had DS. It quickly went away until he was about 9 months old and when he was 11 months old, we started TTC #2.
Only you and DH can make the decision. My reasons for waiting a bit was so my body could have a bit of a rest and at least half recover from pregnancy and childbirth, as I have read that it akes 2 years for your body to fully recover.

Good luck with your decision.