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Previous Volume 349:2172-2173 November 27, 2003 Number 22 Next

	Since this article has no abstract, we have provided an extract of the first 100 words of the full text and any section headings.

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To the Editor: Determination of pregnancy status is vital in the workup of a patient presenting with vaginal bleeding or lower abdominal pain. We report a case of false negative results on urine and serum pregnancy tests as a result of the "high-dose hook effect."

A 26-year-old woman (gravida 1, para 1) presented to the emergency department, reporting lower abdominal pain, vomiting, and several weeks of irregular vaginal bleeding. On examination, she was anxious and in moderate discomfort, and her heart rate and blood pressure were elevated. Her abdomen was soft, with a tender lower abdominal mass. Pelvic examination revealed . . . [Full Text of this Article]

This article has been cited by other articles:

• Er, T.-K., Jong, Y.-J., Tsai, E.-M., Huang, C.-L., Chou, H.-W., Zheng, B.-H., Tsai, L.-Y. (2006). False-negative pregnancy test in hydatidiform mole.. Clin. Chem. 52: 1616-1618 [Full Text]