Progesterone as a predictor of ectopic pregnancy when the ultrasound is indeterminate.


The objective of this study was to evaluate a progesterone cutpoint of 5.0 ng/mL ability to identify abnormal pregnancy (abnormal intrauterine pregnancy and ectopic pregnancy) as well as ectopic pregnancy alone in 2 subclasses of indeterminate ultrasounds. This was a prospective observational study of emergency department patients with abdominal pain or… (More)


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