After my first mc we decided to wait a month, but my cycles became shorter so it took 3 months to figure out my new O date.
This time, I had one af 23 days after mc, and then we were NTNP. We just happened to dtd on O day, which I found out later from temping, and I got a positive.
I would say do what's best for you. I've heard that you're more likely to mc within the first few months, and also that you're more likely to not. There's no rhyme or reason, and I think it's all speculation, personally. Everyone is different and there's no magic ball. So, I'd ntnp maybe!