The Bureau of Labor Statistics (BLS) is an agency of the U.S. Department of Labor that has been in operation since 1884. According to its official website, the vision of the BLS is to meet the information needs of a rapidly changing U.S, and global economy by continuously improving its products and services, investing in its work force, and modernizing its business processes.
Note: Scar tissue may interfere with normal intrapartal cervical dilation and effacement. Vaginal bleeding other than slight spotting may be sign of cervical dilatation. Leaking membranes may herald impending delivery and place client at greater risk for infection.
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.