TTC after miscarriage

I recently had a miscarriage I started bleeding on 2/18. I was only like 4 weeks. Anyway my husband and I really want to try again. And according to my CM and using the 18 as CD1 (which I know isn't actually CD1) glow says right now is my high fertile time. My question is should I wait until I get my next cycle or is it ok to try now? I heard your most fertile right after miscarriage. I just don't know what to do?