Ttc dangerous while waiting for period after MC?

I'm going to sound a little insane for not wanting to wait but last time I miscarried in March it took months for my cycle to go back to normal. How dangerous is it to try and conceive while waiting for your period after just having a MC. I believe I miscarried just before November but I'm hearing stories about women that conceived before they got the all clear.

My concerns would be what if I fell pregnant and the remnants weren't completely cleared? What happens in those cases? I'm pretty sure it's clear by now but I do get brown spotting but I can see it starting to lessen now so I'm just getting prepared for the next couple days in case it means we can try to get a jump-start on it?

I've heard that fertility sky rockets in the weeks after a miscarriage so it's why I'm asking.