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.
The cervical plug that developed in the beginning of the pregnancy will fall out at the end of the third trimester. Once the plug has washed out of the body, the cervix will start preparing for birth. This is called cervical dilation and effacement. Causes of Cervical Dilation and Effacement. Nearly every pregnant woman will go through the process of cervical dilation and effacement. This natural process is measured in percentages and centimeters. The cervix must open and thin out before birth can occur.