Map of the National Forests and Grasslands of the United States. The United States has 154 protected areas known as National Forests covering 188,336,179 acres (762,169 km2/294,275 sq. mi). The National Forests are managed by the U.S. Forest Service, an agency of the U.S. Department of Agriculture.
1 All women should begin cervical cancer screening at age 21. 2  Women between the ages of 21 and 29 should have a Pap test every 3 years. 3  They should not be tested for HPV unless it is needed after an abnormal Pap test result.4  Women between the ages of 30 and 65 should have both a Pap test and an HPV test every 5 years.he latest recommendations are: 1  All women should begin cervical cancer screening at age 21. 2  Women between the ages of 21 and 29 should have a Pap test every 3 years. 3  They should not be tested for HPV unless it is needed after an abnormal Pap test result.
â¢ Women aged 21 to 29 should get a Pap test (conventional or liquid-based) every three years. The statement specifically recommends against annual Pap testing. The former guideline called for a conventional Pap test every year, or a liquid-based Pap test every two years, for this age group.â¢ For women 30 and over, Pap tests should be done every three years. The guidelines recommend against annual or more frequent Pap testing for this age group.The previous guidelines said women 30 and over who have had three normal Pap tests in a row may be tested less often -- every two to three years.â¢ Combining the Pap test with HPV testing every three to five years is the preferred strategy for women aged 30 and older.he previous guidelines said women 30 and over who have had three normal Pap tests in a row may be tested less often -- every two to three years. â¢ Combining the Pap test with HPV testing every three to five years is the preferred strategy for women aged 30 and older.