If the first semen analysis is normal, your doctor may order a second test to confirm the results.
Two normal tests usually mean you don't have any significant infertility problems.
So, conceivably, they would tell people who are likely to become obese to exercise more and those who have a high chance of getting cancer to stop smoking.
These tests do not provide definite evidence that a person will or will not get a certain disease - it only predicts likeliness that it will happen.
The evidence appeared to prove that direct-to-consumer DNA analysis that companies are now selling for up to $200 might not even be that effective in keeping people healthier longer.
There is evidence that expensive DNA testing is not beneficial because even if people do know which diseases they are predisposed to they probably will not change their lifestyle behaviors that will make them less likely to contract the diseases (file photo)The market for DNA testing for disease risk has expanded recently but new evidence said the technology might not be beneficial to consumers who want to change their lifestyle.23and Me was the first company who sold approved DNA testing kits, which told consumers their chances of developing diseases such as obesity, diabetes, heart disease or cancer.
Genetic risk is only part of a person's overall risk, which includes influence from other things like a person's lifestyle.
A company called Helix started providing similar services just last month.
A 23and Me test that includes ancestry information costs 9. Rather, the test will be able to show if you have an increased risk.
For most people, the science will not be conclusive enough to generate a percentage risk factor.
The company only got approval to sell their kits in April after being warned not to sell them without regulators' approval three years ago.