.dwg. DWG (from drawing) is a proprietary[2] binary file format used for storing two- and three- dimensional design data and metadata. It is the native format for several CAD packages including DraftSight, AutoCAD, IntelliCAD (and its variants), Caddie and Open Design Alliance compliant applications.
You and your doctor can decide when it's time for you to begin Pap testing and how often you should have the test. In general, doctors recommend beginning Pap testing at age 21.
A suspicious Pap test leads to a colposcopy, in which the doctor examines the cervix under a microscope. Most women age 21 and above, and all women within three years of starting sexual activity, should get a Pap test annually for a few years and every three years after three normal Pap tests.