Giving birth is probably the worst pain a woman can experience her whole life. But it is also the most fulfilling. Every mother would tell a different story about labor. Some go through it like hell while some have gone through it easier. Though no one can tell how exactly one woman go through labor, there are techniques on how to make it somehow easier.
Think about the end result, there is no better motivation than knowing that you will soon have a child. This thought will stop you from quitting; it will make you give the best of you. This will make you tolerate pain like you never had. It will give you the strength you never knew you have.