hCG in ectopic pregnancy |
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Authors: | Visconti Kevin Zite Nikki |
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Affiliation: | Department of Obstetrics and Gynecology, University of Tennessee Graduate School of Medicine, Knoxville, Tennessee, USA. |
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Abstract: | Ectopic pregnancies remain an important cause of morbidity and mortality in women of reproductive age. Management of these pregnancies has changed dramatically over the years. Human chorionic gonadotropin (hCG) is a glycoprotein hormone composed of 2 dissimilar subunits, alpha and beta, joined non-covalently. The free beta-subunit is the principal immuno-reactive agent in pregnancy serum samples. Improved diagnostic methods using hCG levels in combination with transvaginal ultrasound have lead to earlier detection rates, subsequent treatment and a reduction in mortality resulting from ectopic pregnancies. This chapter will describe current trends in ectopic pregnancy diagnosis based on hCG levels. |
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