AIDS was first reported in the United States in 1981 and has since become a major worldwide epidemic. AIDS is the most advanced stage of infection caused by HIV. The names HIV and AIDS can be confusing because both terms describe the same disease. But most people who are HIV positive do not have AIDS.
The hospital usually class 'active' labour when you are 3 cms dilated, so if you were 4 cms then you will most likely be admitted onto the ward. I was around 5, had the kid 9 hours later! When I went in the hospital they put me straight to a bed! My water never broke either, they had to break it.
Women can dilate several centimeters weeks early, contemplating the arrival of a preterm baby, and then remain at that same degree of dilation for weeks or go from zero dilation to having a baby in mere minutes. The following cervical dilation chart illustrates the diameter of the cervix as it opens from 1 to 10cms.