Which of the following would be most likely causing methotrexate therapy failure in ectopic pregnancy treatment.
With methotrexate therapy, serum β-hcG levels should decline. If β-hcG rises then it is failure of medical management.
Multiparous woman
Ectopic size > 2.5 cm
Previous history of ectopic pregnancy
Serum β hcG level of 9000 mIU / mL.