Ads
related to: clearblue pregnancy test false negative
Search results
Results From The WOW.Com Content Network
The false positive rate (FPR) is the proportion of all negatives that still yield positive test outcomes, i.e., the conditional probability of a positive test result given an event that was not present. The false positive rate is equal to the significance level. The specificity of the test is equal to 1 minus the false positive rate.
Unipath continued to make improvements to its fertility-related products over the years, improving their convenience and reliability of use. Refinements included a urine collector strip on their Clearblue pregnancy test that turns pink to indicate proper urine absorption, thus reducing the chance of a false-negative test by improper use.
False negative readings can occur when testing is done too early. hCG levels rise rapidly in early pregnancy and the chances of false negative test results diminish with time (increasing gestational age). [24] Less sensitive urine tests and qualitative blood tests may not detect pregnancy until three or four days after implantation. [25]
New Clearblue Advanced Digital Ovulation Test with Breakthrough Technology to Help Women Get Pregnant Faster Naturally New test expands the baby-making window by identifying 4 best days to get ...
For premium support please call: 800-290-4726 more ways to reach us
Clearblue home pregnancy test system 1985. Clearblue was introduced in 1985 with the launch of the first Clearblue Home Pregnancy Test system, which at the time was owned by Unilever. [4] It was the world’s first “rapid home test” that gave pregnancy test results in 30 minutes and allowed a woman to take a test before going to the doctor. [4]