yes my cat i guess started labor cause all of a sudden a sac appeared its been a while she is calm a purring very loud but i havent noticed any real contractions there has been some fluids coming out her rear end is wet and the sac has been showing for about an hour or so is this normal or is she having a problem. But like i said she seems calm purring very loud and wants me to be near her i try to go out side and she tries to follow me please help me.