Sex? Period? After Miscarriage.

Cowgirl
Hi ladies....
I unfortunately had a Miscarriage at 5 weeks & 4 days just on Saturday, December 12th. I am heartbroken but trying to be positive.....it'll happen. But I just have a couple questions...
First one. How long until we can have sex again? I'm done bleeding just a little bit of brown discharge but super light. I have RT side cramping sometimes but that's because I have a 1cm cyst on my RT Ovary. 
Second one. When will I get my period? I'm thinking I want to try once more and if no success do birth control for a while. 
I don't see my OB GYN again until Wednesday, January 6th. 
Do you ladies have any advice? Insight? Thank you so much.