how common is it to get a false positive with cvs pregnancy test early response
pregnant and use a First Response Early Result pregnancy test on 9 days past ovulation you are most likely to get a Positive test result. The instances of false negatives on 9 days past ovulation are less common, but do still occur. 36.3% of test results were False Negatives.ased on these statistics, if you. pregnant and use a First Response Early Result pregnancy test on 17 days past ovulation you are most likely to get a Positive test result. The instances of false negatives on 17 days past ovulation are less common, but do still occur. 10.6% of test results were False Negatives.