The thought of childbirth or delivery can be daunting and extremely scary, especially if this is your first baby. The uncertainty and lack of knowledge of what is transpire is the main hurdle that a first time mother has to overcome. Childbirth classes can be helpful to you prepare for this final stage of your pregnancy and answer many of your questions.
Alternatively you can discuss your concerns with your gynecologist and obstetrician who will direct you to appropriate reading material and videos on the labor process.