I have court with several charges?

i have corut soon i have serval charges for simple ault and leavin the scene of an accident which is togther with the simple ault charge and i have pos of weed and poss of drug parafa ..i only have a public defender....am i goin to jail??? ontop of everythign im pregnant... wut do u think is gona happen and wut can i do to avoide any jail time