Negative urine pregnancy test in a molar pregnancy: is it possible?

A Nigam, A Kumari, N Gupta - Case Reports, 2014 - casereports.bmj.com
A urine pregnancy test is commonly used to detect pregnancy and is based on finding intact
β-human chorionic gonadotrophin (hCG) molecules in the urine by an immunoassay system …

[PDF][PDF] Molar pregnancy with false negative urine hCG: the hook effect

YP Pang, H Rajesh, LK Tan - Singapore Med J, 2010 - smj.org.sg
Urine pregnancy tests are widely used in emergency departments as the first screening test
for patients of reproductive age presenting with gynaecological problems in order to rule out …

[PDF][PDF] Molar pregnancy with false negative urine βhCG: Hook effect in molar pregnancy

A Salvi, P Mital, U Shekhawat, A Batar… - Int J Pharm Med …, 2014 - academia.edu
Urine pregnancy test is widely used in emergency department as the first screening test for
patients of reproductive age presenting with gynaecological problem in order to rule out …

False Negative Urine Pregnancy Testing with Complete Molar Pregnancy: An Example of the Hook Effect.

Z Anderson, E Larson, M Khan… - South Dakota …, 2016 - search.ebscohost.com
Introduction: Gestational trophoblastic disease (GTD) encompasses a group of tumors
derived from trophoblasts, which normally form the placenta during pregnancy. Human …

False-negative qualitative human chorionic gonadotropin (hCG) test result ('hook effect') with classical ultrasound findings of complete molar pregnancy: an …

D Phillipo, S Lucas, MP Kalunga… - Oxford Medical Case …, 2024 - academic.oup.com
Abstract False-negative qualitative Human Chorionic Gonadotropin (hCG) result is a
phenomenon in which large amounts of β-hCG are produced by molar pregnancy …

[HTML][HTML] Beware of" hook effect" giving false negative pregnancy test on point-of-care kits

YK Yadav, U Fatima, S Dogra… - Journal of postgraduate …, 2013 - journals.lww.com
U rine pregnancy test kits, a one step point-of-care (POC) are widely used both at home and
in laboratories. We report in this paper, a case of false-negative qualitative human chorionic …

A phantom human chorionic gonadotropin in the case of molar pregnancy

H Usui, A Sato, E Katayama… - Oxford Medical Case …, 2024 - academic.oup.com
Accurately interpreting persistent, low human chorionic gonadotropin (hCG) levels is
essential for managing gestational trophoblastic disease. Erroneous interpretation can lead …

False-negative urine human chorionic gonadotropin testing in the clinical laboratory

AZ Herskovits, Y Chen, N Latifi, RM Ta… - Laboratory …, 2020 - academic.oup.com
Background Human chorionic gonadotropin (hCG) assays are used to detect pregnancy,
and urine point-of-care tests are frequently used to triage patients. Under certain conditions …

Negative pregnancy test in patients with trophoblastic diseases

CW Yeung, ANY Cheung - Current Obstetrics and Gynecology Reports, 2014 - Springer
Quantitative and qualitative human chorionic gonadotrophin (hCG) assays are widely used
to detect pregnancy state and abnormal trophoblastic lesions. At least five different forms of …

Early detection of pregnancy by new β-hCG monoclonal urine test

J Spona, F Dancoine, U Lorenz, D Valente… - Gynecologic and …, 1985 - karger.com
Abstract 1,066 urine samples were assayed by Β-human chorionic gonadotrophin (Β-hCG)
monoclonal pregnancy test with a sensitivity of 150 IU hCG/l Tests were performed in 5 …