When the cervix effaces, the mucus plug is loosened and passes out of the vagina. The mucus may be tinged with blood. This passage of the mucus plug is called show or  bloody show .. You may or may not notice when the mucus plug passes. Effacement is described as a percentage. For example, if your cervix is not effaced at all, it is 0% effaced. If the cervix has completely thinned, it is 100% effaced.
Resource Description and Access. Resource Description and Access (RDA) is a standard for descriptive cataloging initially released in June 2010, providing instructions and guidelines on formulating bibliographic data.
DBA is also an abbreviation for doing business as - a term sometimes used in business and legal writing. dBA is an abbreviation for A-weighted decibels. Download this free guide Download: 60-Page Expert RDBMS Guide