Is presence of a yolk sac on transvaginal sonography the most reliable predictor of single-dose methotrexate treatment failure in ectopic pregnancy?
The presence of a yolk sac was always associated with treatment failure in single-dose MTX treatment of EP and was the most reliable predictor of failure among all features analyzed. The beta-hCG level was a useful adjunct. A prediction rule was created correlating the probability of treatment success with the beta-hCG level.
There was no significant difference in live birth following IUI cycles in which the procedure was performed by a fellow physician or RN compared with an attending physician.