![Flaw in many home pregnancy tests can return false negative results – Washington University School of Medicine in St. Louis Flaw in many home pregnancy tests can return false negative results – Washington University School of Medicine in St. Louis](https://medicine.wustl.edu/wp-content/uploads/GettyImages-172961928_forweb-700x467.jpg)
Flaw in many home pregnancy tests can return false negative results – Washington University School of Medicine in St. Louis
![Heard that blue line tests often give false positives. Took 3, 3 consecutive days and all showed faint blue lines but right after 10 minutes. Decided to take a FRER yesterday and Heard that blue line tests often give false positives. Took 3, 3 consecutive days and all showed faint blue lines but right after 10 minutes. Decided to take a FRER yesterday and](https://preview.redd.it/gupmu9mgvdj31.jpg?auto=webp&s=837ce8c3836dd26dfa6136b1369b575e9c60fce1)
Heard that blue line tests often give false positives. Took 3, 3 consecutive days and all showed faint blue lines but right after 10 minutes. Decided to take a FRER yesterday and
![How soon can you take a pregnancy test, what are false positive test results and can pregnancy tests ever be wrong? All you need to know | The Irish Sun How soon can you take a pregnancy test, what are false positive test results and can pregnancy tests ever be wrong? All you need to know | The Irish Sun](https://www.thesun.co.uk/wp-content/uploads/2021/11/NINTCHDBPICT000730849851.jpg)