Most tests will ask the user to read the result within 4-5 minutes of taking the test and. This might be because: The test is faulty There isn't enough urine on the test to say whether you are pregnant or not pregnant.When taking a home urine pregnancy test, it is important for people to follow the test's instructions. We have 2 boys conceived naturally with no issues.An invalid result usually means that the pregnancy test cannot detect whether you're pregnant or not. My husband is also 38 and no fertility issues. I'm a healthy 38 year old with no fertility issues. Hi I'm new here just wanted to ask a question and see if anyone is in my same boat. Negative Pregnancy test 10dpt of 2 5 day blastocysts.