Happy Healthy You - PCOS can cause pregnancy tests to be positive even when you are not pregnant. WHY? At-home pregnancy tests check for the hormone called hCG. hCG is short
![False Positive Pregnancy Tests - Why They Can Happen - Baby : Bump, Baby and You, Pregnancy, Parenting and Baby Advice and Info False Positive Pregnancy Tests - Why They Can Happen - Baby : Bump, Baby and You, Pregnancy, Parenting and Baby Advice and Info](https://www.bumpbabyandyou.co.uk/images/article/schwanger.jpg)
False Positive Pregnancy Tests - Why They Can Happen - Baby : Bump, Baby and You, Pregnancy, Parenting and Baby Advice and Info
![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)