After age 21, women should have a Pap test every two years, instead of every year. At age 30, if a woman has no history of cervical cancer and has had three normal Pap tests in a row, she can be screened every three years, rather than every two to three years.Health.com) -- Young women should have their first Pap test no sooner than age 21, regardless of when they become sexually active, say new guidelines from the American College of Obstetricians and Gynecologists.
It was completed in 1350 (over 200 years after its initial construction), but has undergone constant additions and modifications since that date. The leaning tower of Pisa is only 55.86 meters tall - With its low height, it's the smallest tower achieve worldwide recognition.
The tower weighs about 14,500 tons. That's a lot of weight for a building to have to support when it has been leaning since it was built. There are approximately 294 steps on the north side and 296 steps on the south side of the tower. The Leaning Tower of Pisa took 344 years to build, beginning in August 1173.It began to lean in 1178 once construction on the second floor had begun. The lean was due to one side sinking into the soft ground.he tower weighs about 14,500 tons. That's a lot of weight for a building to have to support when it has been leaning since it was built. There are approximately 294 steps on the north side and 296 steps on the south side of the tower. The Leaning Tower of Pisa took 344 years to build, beginning in August 1173.