Medical therapy of ectopic gestation: contemporary paradigms

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Abstract
There has been an increase in the incidence of ectopic pregnancy to epidemic proportions in many developed countries in the past two decades. In 1989, ectopic pregnancy accounted for 1.6% of all pregnancies in the United States of America. This trend may be explained by an increase in the incidence of established risk factors as well as a dramatic improvement in diagnostic tools and advances in reproductive technology. Technologic advances such as highly sensitive radioimmunoassays for the β-subunit of human chorionic gonadotropin (βhCG), the development of high-resolution ultrasound and a heightened physician awareness have revolutionized the clinical management of ectopic pregnancy, leading to earlier and more consistent diagnoses and consequently reduced maternal mortality rates. 1,3–13 Unfortunately, ectopic pregnancy is still associated with a significant morbidity and mortality and contributes substantially to health-care costs. For example ectopic pregnancy complications accounted for 13% of all pregnancy-related deaths and were the leading cause of maternal mortality in African- American women in 1989. Financially, an estimated 1.1 billion dollars was spent in the United States of America alone for the management of ectopic pregnancy in 1990.

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