My question involves criminal law for the state of: New york

I've got 2 Grand Larceny charges pending, one of which is a class C, the other a D. They are trying to put all of my charges into one including 2 misdemeanors for Harass in the 2nd. Both Grand Larcenys were in different cities. I was just wondering if they can do this? Can they put all of these charges together for sentencing? And If so, what kind of sentence could I be looking at?? How much Jail time could be involved?

Also, I am 3 months pregnant, what will happen with this if I was sentenced to jail??