![Caveat Emptor—Buyer Beware! Pregnancy Devices that Give False Negative Results Still on the Market – Lab Testing Matters Caveat Emptor—Buyer Beware! Pregnancy Devices that Give False Negative Results Still on the Market – Lab Testing Matters](https://www.labtestingmatters.org/wp-content/uploads/2019/10/positive-pregnancy-test-picture-id111919955-900x520.jpg)
Caveat Emptor—Buyer Beware! Pregnancy Devices that Give False Negative Results Still on the Market – Lab Testing Matters
![Beware of "hook effect" giving false negative pregnancy test on point-of-care kits Yadav Y K, Fatima U, Dogra S, Kaushik A - J Postgrad Med Beware of "hook effect" giving false negative pregnancy test on point-of-care kits Yadav Y K, Fatima U, Dogra S, Kaushik A - J Postgrad Med](https://www.jpgmonline.com/articles/2013/59/2/images/jpgm_2013_59_2_153_113838_u1.jpg)
Beware of "hook effect" giving false negative pregnancy test on point-of-care kits Yadav Y K, Fatima U, Dogra S, Kaushik A - J Postgrad Med
![TWO positive pregnancy tests but negative blood test?? - September 2016 Babies | Forums | What to Expect TWO positive pregnancy tests but negative blood test?? - September 2016 Babies | Forums | What to Expect](https://images.agoramedia.com/ugcphotoservice/100/2016/1/16/71052228/4a8788a8-815b-4e0e-81c9-8f64b16a738a.jpeg)
TWO positive pregnancy tests but negative blood test?? - September 2016 Babies | Forums | What to Expect
![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.jpg)
Flaw in many home pregnancy tests can return false negative results – Washington University School of Medicine in St. Louis
![A closeup of medical personnel holds a negative pregnancy HCG test on beige background, Human Chorionic Gonadotropin test, Rapid urine pregnancy test cassette for home use, selective focus Photos | Adobe Stock A closeup of medical personnel holds a negative pregnancy HCG test on beige background, Human Chorionic Gonadotropin test, Rapid urine pregnancy test cassette for home use, selective focus Photos | Adobe Stock](https://as1.ftcdn.net/v2/jpg/04/89/96/12/1000_F_489961206_GnTI7W52XTn3QxmIf4DKcqBYTziKdDiF.jpg)
A closeup of medical personnel holds a negative pregnancy HCG test on beige background, Human Chorionic Gonadotropin test, Rapid urine pregnancy test cassette for home use, selective focus Photos | Adobe Stock
![HCG Pregnancy Test with Negative Result, One Strip or Stick Meaning Not Pregnant Woman. Flat Vector Illustration Stock Vector - Illustration of flat, birth: 275390605 HCG Pregnancy Test with Negative Result, One Strip or Stick Meaning Not Pregnant Woman. Flat Vector Illustration Stock Vector - Illustration of flat, birth: 275390605](https://thumbs.dreamstime.com/z/hcg-pregnancy-test-negative-result-one-strip-stick-meaning-not-pregnant-woman-flat-vector-illustration-isolated-white-275390605.jpg)
HCG Pregnancy Test with Negative Result, One Strip or Stick Meaning Not Pregnant Woman. Flat Vector Illustration Stock Vector - Illustration of flat, birth: 275390605
![Pregnancy Test Kit, Positive Or Negative Result, Vector Design Of Flat Icon On Isolated Background. Royalty Free SVG, Cliparts, Vectors, and Stock Illustration. Image 145441077. Pregnancy Test Kit, Positive Or Negative Result, Vector Design Of Flat Icon On Isolated Background. Royalty Free SVG, Cliparts, Vectors, and Stock Illustration. Image 145441077.](https://previews.123rf.com/images/pornpholspthrf/pornpholspthrf2004/pornpholspthrf200400026/145441077-pregnancy-test-kit-positive-or-negative-result-vector-design-of-flat-icon-on-isolated-background.jpg)