âThereâs called free circulating DNA, the fetus, some of its DNA gets into the maternal blood and we can actually detect that DNA -- the accuracy of these tests are about 99 percent,â Dr. Abdullah said, âWe can do this test around 10 weeks, so itâs very early in the pregnancy.â.
Daytona International Speedway is 2.5 miles (4 km) long and a 500-mile race requires 200 laps to complete. However, the race is considered official after half its distance (100 laps or 250 miles (400 km)) has been completed.
The 10,000-meter race is the longest standard track event. On a standard outdoor track (400 meters) you would need to run 25 laps to complete a 10K. On a standard indoor track (200 meters) you would need to run 50 laps to run a 10K.