Possible causes of a positive serum β HCG level and an empty uterus on Ultrasound Pregnancy / By Seekhealthz Editorial Possible causes of a positive serum β HCG level and an empty uterus on Ultrasound • Early normal intrauterine pregnancy (<5 weeks).• Complete spontaneous abortion.• Ectopic pregnancy. Share this:FacebookXLike this:Like Loading... Related Posts At what point is an ANA test considered positiveAt what point is an ANA test considered positive? A positive ANA is arbitrarily defined… How to interpret serum ferritinHow to interpret serum ferritin? The serum ferritin level correlates with storage iron, located primarily… Clinical Utility of Serum Muscle EnzymesClinical Utility of Serum Muscle Enzymes Serum EnzymeClinical UtilityCreatine kinaseMost sensitive and specific for muscle… Nerve Abnormalities and Possible Differential DiagnosesNerve Abnormalities and Possible Differential Diagnoses What are the nerve abnormalities which can be differentiated… Related Posts:Cold Agglutinin DiseaseAcatalasemiaANOTHER SyndromeAdnexal Masses Aase SyndromeGilbert Syndrome